[INFO] fetching crate merkletree-rs 0.0.3...
[INFO] testing merkletree-rs-0.0.3 against 1.90.0 for beta-1.91-2
[INFO] extracting crate merkletree-rs 0.0.3 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkletree-rs 0.0.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding hex v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding rustc-hex v1.0.0 (available: v2.1.0)
[INFO] [stderr]       Adding rusty-leveldb v0.2.7 (available: v4.0.0)
[INFO] [stderr]       Adding tiny-keccak v1.5.0 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded bitreader v0.3.11
[INFO] [stderr]   Downloaded rustc-hex v1.0.0
[INFO] [stderr]   Downloaded integer-encoding v1.1.7
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded rusty-leveldb v0.2.7
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40a17136cf64bacc0ffa5f4efbdcf3ff73a5579c0c0010798e240a2f1806aa83
[INFO] running `Command { std: "docker" "start" "-a" "40a17136cf64bacc0ffa5f4efbdcf3ff73a5579c0c0010798e240a2f1806aa83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a17136cf64bacc0ffa5f4efbdcf3ff73a5579c0c0010798e240a2f1806aa83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a17136cf64bacc0ffa5f4efbdcf3ff73a5579c0c0010798e240a2f1806aa83", kill_on_drop: false }`
[INFO] [stdout] 40a17136cf64bacc0ffa5f4efbdcf3ff73a5579c0c0010798e240a2f1806aa83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee76a71d5f59cdc186639642930899a4a926e43b88cbffeb13cea9705372e11
[INFO] running `Command { std: "docker" "start" "-a" "4ee76a71d5f59cdc186639642930899a4a926e43b88cbffeb13cea9705372e11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling bitreader v0.3.11
[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 ppv-lite86 v0.2.21
[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` profile [unoptimized + debuginfo] target(s) in 5.72s
[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" "4ee76a71d5f59cdc186639642930899a4a926e43b88cbffeb13cea9705372e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee76a71d5f59cdc186639642930899a4a926e43b88cbffeb13cea9705372e11", kill_on_drop: false }`
[INFO] [stdout] 4ee76a71d5f59cdc186639642930899a4a926e43b88cbffeb13cea9705372e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4a1fb481e0ea0a5397ae7880f80ff4f8ab11be648d4f507abfb90c05257cdb
[INFO] running `Command { std: "docker" "start" "-a" "ff4a1fb481e0ea0a5397ae7880f80ff4f8ab11be648d4f507abfb90c05257cdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkletree-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[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" "ff4a1fb481e0ea0a5397ae7880f80ff4f8ab11be648d4f507abfb90c05257cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4a1fb481e0ea0a5397ae7880f80ff4f8ab11be648d4f507abfb90c05257cdb", kill_on_drop: false }`
[INFO] [stdout] ff4a1fb481e0ea0a5397ae7880f80ff4f8ab11be648d4f507abfb90c05257cdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9c9f93dc9f911e4366be4e8bf2c70f3c2c9a3f89467af0f7f56e27198fb51a2
[INFO] running `Command { std: "docker" "start" "-a" "a9c9f93dc9f911e4366be4e8bf2c70f3c2c9a3f89467af0f7f56e27198fb51a2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [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-ad2a984bdb9e84d0)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::test_add' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/integer-encoding-1.1.7/src/fixed.rs:63:1:
[INFO] [stderr] misaligned pointer dereference: address must be a multiple of 0x8 but is 0x78c7a4002111
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x598851d12122 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x598851d12122 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x598851d12122 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x598851d12122 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x598851d38b73 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x598851d38b73 - core::fmt::write::h8a494366950f23bb
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]    6:     0x598851d0edb3 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x598851d0edb3 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x598851d11f72 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x598851d13c09 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stderr]   10:     0x598851d139eb - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stderr]   11:     0x598851bf2ae4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]   12:     0x598851bf2ae4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x598851d146de - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]   14:     0x598851d146de - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stderr]   15:     0x598851d143aa - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stderr]   16:     0x598851d12629 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x598851d1403d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stderr]   18:     0x598851d375bd - core::panicking::panic_nounwind_fmt::runtime::hde3dd742c40069fa
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:117:22
[INFO] [stderr]   19:     0x598851d375bd - core::panicking::panic_nounwind_fmt::h6c46f1098922b4b6
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/intrinsics/mod.rs:2367:9
[INFO] [stderr]   20:     0x598851d37765 - core::panicking::panic_misaligned_pointer_dereference::h78ecfc0a58b01c4f
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:293:5
[INFO] [stderr]   21:     0x598851cd7790 - <u64 as integer_encoding::fixed::FixedInt>::decode_fixed::hfa103ef494d1ce0d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/integer-encoding-1.1.7/src/fixed.rs:56:33
[INFO] [stderr]   22:     0x598851c5d124 - rusty_leveldb::key_types::parse_internal_key::h984881e5cd9a3544
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rusty-leveldb-0.2.7/src/key_types.rs:186:32
[INFO] [stderr]   23:     0x598851c18885 - rusty_leveldb::version::Version::get_overlapping::he453a88aedc6cdb4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rusty-leveldb-0.2.7/src/version.rs:107:20
[INFO] [stderr]   24:     0x598851c17c5c - rusty_leveldb::version::Version::get::hd75bc2dbee3b805d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rusty-leveldb-0.2.7/src/version.rs:61:27
[INFO] [stderr]   25:     0x598851c9003b - rusty_leveldb::db_impl::DB::get_internal::h9ad4a2f6ddb0ed30
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rusty-leveldb-0.2.7/src/db_impl.rs:443:48
[INFO] [stderr]   26:     0x598851c9061c - rusty_leveldb::db_impl::DB::get::hb66f6397f9af3ef6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rusty-leveldb-0.2.7/src/db_impl.rs:468:29
[INFO] [stderr]   27:     0x598851ba89ce - merkletree_rs::db::Db::get::h11f2895831c8d160
[INFO] [stderr]                                at /opt/rustwide/workdir/src/db.rs:34:28
[INFO] [stderr]   28:     0x598851baa007 - merkletree_rs::MerkleTree::new::h48254e907440a543
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:56:41
[INFO] [stderr]   29:     0x598851bb4939 - merkletree_rs::tests::test_add::h9a8049a41eee3d80
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:487:22
[INFO] [stderr]   30:     0x598851bb48c7 - merkletree_rs::tests::test_add::{{closure}}::h7ea5396a92cd9104
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:485:18
[INFO] [stderr]   31:     0x598851bafb16 - core::ops::function::FnOnce::call_once::h8458a03dc9c7d035
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   32:     0x598851bf834b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   33:     0x598851bf834b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stderr]   34:     0x598851bf7485 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stderr]   35:     0x598851bf7485 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   36:     0x598851bf7485 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stderr]   37:     0x598851bf7485 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stderr]   38:     0x598851bf7485 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stderr]   39:     0x598851bf7485 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stderr]   40:     0x598851bf7485 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stderr]   41:     0x598851bbb084 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stderr]   42:     0x598851bbb084 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   43:     0x598851bbea5a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stderr]   44:     0x598851bbea5a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   45:     0x598851bbea5a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stderr]   46:     0x598851bbea5a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stderr]   47:     0x598851bbea5a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stderr]   48:     0x598851bbea5a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stderr]   49:     0x598851bbea5a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   50:     0x598851d176ef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stderr]   51:     0x598851d176ef - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stderr]   52:     0x78c7abb89aa4 - <unknown>
[INFO] [stderr]   53:     0x78c7abc16a34 - 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-ad2a984bdb9e84d0` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "a9c9f93dc9f911e4366be4e8bf2c70f3c2c9a3f89467af0f7f56e27198fb51a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c9f93dc9f911e4366be4e8bf2c70f3c2c9a3f89467af0f7f56e27198fb51a2", kill_on_drop: false }`
[INFO] [stdout] a9c9f93dc9f911e4366be4e8bf2c70f3c2c9a3f89467af0f7f56e27198fb51a2
