[INFO] fetching crate field-ref 0.2.1...
[INFO] testing field-ref-0.2.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate field-ref 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate field-ref 0.2.1
[INFO] finished tweaking crates.io crate field-ref 0.2.1
[INFO] tweaked toml for crates.io crate field-ref 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate field-ref 0.2.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 997b4be516f492d7c9c64477bd7a0900d0240707bb536e13190ff74b27918c44
[INFO] running `Command { std: "docker" "start" "-a" "997b4be516f492d7c9c64477bd7a0900d0240707bb536e13190ff74b27918c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "997b4be516f492d7c9c64477bd7a0900d0240707bb536e13190ff74b27918c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997b4be516f492d7c9c64477bd7a0900d0240707bb536e13190ff74b27918c44", kill_on_drop: false }`
[INFO] [stdout] 997b4be516f492d7c9c64477bd7a0900d0240707bb536e13190ff74b27918c44
[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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc692b8e295d04d25759f8cd811760ea48d9ea373eda8252af3aa4a1c88f0469
[INFO] running `Command { std: "docker" "start" "-a" "dc692b8e295d04d25759f8cd811760ea48d9ea373eda8252af3aa4a1c88f0469", kill_on_drop: false }`
[INFO] [stderr]    Compiling field-ref v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "dc692b8e295d04d25759f8cd811760ea48d9ea373eda8252af3aa4a1c88f0469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc692b8e295d04d25759f8cd811760ea48d9ea373eda8252af3aa4a1c88f0469", kill_on_drop: false }`
[INFO] [stdout] dc692b8e295d04d25759f8cd811760ea48d9ea373eda8252af3aa4a1c88f0469
[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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8720af93467dc18e97e0e92490fa9c2297eda32d2c212c4901352bf302f79f67
[INFO] running `Command { std: "docker" "start" "-a" "8720af93467dc18e97e0e92490fa9c2297eda32d2c212c4901352bf302f79f67", kill_on_drop: false }`
[INFO] [stderr]    Compiling field-ref v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "8720af93467dc18e97e0e92490fa9c2297eda32d2c212c4901352bf302f79f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8720af93467dc18e97e0e92490fa9c2297eda32d2c212c4901352bf302f79f67", kill_on_drop: false }`
[INFO] [stdout] 8720af93467dc18e97e0e92490fa9c2297eda32d2c212c4901352bf302f79f67
[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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e4208ecae40f78f99c177266eeff1dba5da5d0430f8714b342450f6457fcaad
[INFO] running `Command { std: "docker" "start" "-a" "5e4208ecae40f78f99c177266eeff1dba5da5d0430f8714b342450f6457fcaad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/field_ref-97f1181d54108167)
[INFO] [stdout] running 7 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::basic_test' (25) panicked at src/lib.rs:652:19:
[INFO] [stderr] null pointer dereference occurred
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5c90d1fccf12 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5c90d1fccf12 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5c90d1fccf12 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5c90d1fccf12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5c90d1fdce2f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5c90d1fdce2f - core::fmt::write::h24186904251c31cb
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x5c90d1f9a8b3 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5c90d1f9a8b3 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5c90d1fa6782 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5c90d1fab25f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5c90d1fab0b9 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5c90d1f6e2be - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h202f496763929329
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]   12:     0x5c90d1f6e2be - test::test_main_with_exit_callback::{{closure}}::h805a6913adddaea3
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5c90d1fab86f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h2883c9d2dbd4e81c
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]   14:     0x5c90d1fab86f - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x5c90d1fab696 - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x5c90d1fa68b9 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x5c90d1f8f1ad - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x5c90d1fe43dd - core::panicking::panic_nounwind_fmt::runtime::hd682c7f4ebed7044
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x5c90d1fe43dd - core::panicking::panic_nounwind_fmt::he05c47de4e511442
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/intrinsics/mod.rs:2439:9
[INFO] [stderr]   20:     0x5c90d1fe45bd - core::panicking::panic_null_pointer_dereference::h1b81e0f434610ad1
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:307:5
[INFO] [stderr]   21:     0x5c90d1f4c7db - field_ref::tests::basic_test::hce497b9e13b55507
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:496:51
[INFO] [stderr]   22:     0x5c90d1f4ca27 - field_ref::tests::basic_test::{{closure}}::hb48e11d56dada500
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:650:20
[INFO] [stderr]   23:     0x5c90d1f4a7a6 - core::ops::function::FnOnce::call_once::h067996606b4c7c02
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   24:     0x5c90d1f6e12b - core::ops::function::FnOnce::call_once::h3a2d82edd1a9b770
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   25:     0x5c90d1f6e12b - test::__rust_begin_short_backtrace::h85d4fe5033219107
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:663:18
[INFO] [stderr]   26:     0x5c90d1f8211d - test::run_test_in_process::{{closure}}::h67b48a81b9c9d7b6
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:686:74
[INFO] [stderr]   27:     0x5c90d1f8211d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7680585480377cb5
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   28:     0x5c90d1f8211d - std::panicking::catch_unwind::do_call::hf71351b2657d4002
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]   29:     0x5c90d1f8211d - std::panicking::catch_unwind::h7fcb5c0312d9e172
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]   30:     0x5c90d1f8211d - std::panic::catch_unwind::h5cf3c9bdee894ebe
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]   31:     0x5c90d1f8211d - test::run_test_in_process::h1469cb85193a3a25
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:686:27
[INFO] [stderr]   32:     0x5c90d1f8211d - test::run_test::{{closure}}::h59d45b3cd6453d69
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:607:43
[INFO] [stderr]   33:     0x5c90d1f5b664 - test::run_test::{{closure}}::h9baa0c3d443f28c9
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/test/src/lib.rs:637:41
[INFO] [stderr]   34:     0x5c90d1f5b664 - std::sys::backtrace::__rust_begin_short_backtrace::h97ea8cee4828663e
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   35:     0x5c90d1f5eeba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5d7539d5f78cee61
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/thread/mod.rs:562:17
[INFO] [stderr]   36:     0x5c90d1f5eeba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he4c551e23c5e9b22
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   37:     0x5c90d1f5eeba - std::panicking::catch_unwind::do_call::h522b41a6c157aaba
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]   38:     0x5c90d1f5eeba - std::panicking::catch_unwind::h0efbf72006b8e365
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]   39:     0x5c90d1f5eeba - std::panic::catch_unwind::h3b081041e6c97066
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]   40:     0x5c90d1f5eeba - std::thread::Builder::spawn_unchecked_::{{closure}}::ha751309815d5d8cf
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/thread/mod.rs:560:30
[INFO] [stderr]   41:     0x5c90d1f5eeba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2084b887a5fe25a7
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   42:     0x5c90d1fa1cbf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3adbd6ccf5f737af
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:2085:9
[INFO] [stderr]   43:     0x5c90d1fa1cbf - std::sys::thread::unix::Thread::new::thread_start::hb3dc6483caa1b987
[INFO] [stderr]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stderr]   44:     0x704d56437aa4 - <unknown>
[INFO] [stderr]   45:     0x704d564c4a64 - clone
[INFO] [stderr]   46:                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/field_ref-97f1181d54108167` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "5e4208ecae40f78f99c177266eeff1dba5da5d0430f8714b342450f6457fcaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4208ecae40f78f99c177266eeff1dba5da5d0430f8714b342450f6457fcaad", kill_on_drop: false }`
[INFO] [stdout] 5e4208ecae40f78f99c177266eeff1dba5da5d0430f8714b342450f6457fcaad