[INFO] fetching crate field-ref 0.2.1...
[INFO] testing field-ref-0.2.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate field-ref 0.2.1 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate field-ref 0.2.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84453a71fa077fc491774e7fa467a92cd000e676e630a2199bb2beb3e5fab5fd
[INFO] running `Command { std: "docker" "start" "-a" "84453a71fa077fc491774e7fa467a92cd000e676e630a2199bb2beb3e5fab5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84453a71fa077fc491774e7fa467a92cd000e676e630a2199bb2beb3e5fab5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84453a71fa077fc491774e7fa467a92cd000e676e630a2199bb2beb3e5fab5fd", kill_on_drop: false }`
[INFO] [stdout] 84453a71fa077fc491774e7fa467a92cd000e676e630a2199bb2beb3e5fab5fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0ae1faeaf53b02005c56c153d75b8d2a0546d5c0ede6ea157449ad970242922
[INFO] running `Command { std: "docker" "start" "-a" "d0ae1faeaf53b02005c56c153d75b8d2a0546d5c0ede6ea157449ad970242922", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "d0ae1faeaf53b02005c56c153d75b8d2a0546d5c0ede6ea157449ad970242922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ae1faeaf53b02005c56c153d75b8d2a0546d5c0ede6ea157449ad970242922", kill_on_drop: false }`
[INFO] [stdout] d0ae1faeaf53b02005c56c153d75b8d2a0546d5c0ede6ea157449ad970242922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d47bb693c3eb372ef284385c84e65316886b75ee92607c229236ec993764a8d
[INFO] running `Command { std: "docker" "start" "-a" "2d47bb693c3eb372ef284385c84e65316886b75ee92607c229236ec993764a8d", 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 0.40s
[INFO] running `Command { std: "docker" "inspect" "2d47bb693c3eb372ef284385c84e65316886b75ee92607c229236ec993764a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d47bb693c3eb372ef284385c84e65316886b75ee92607c229236ec993764a8d", kill_on_drop: false }`
[INFO] [stdout] 2d47bb693c3eb372ef284385c84e65316886b75ee92607c229236ec993764a8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19cedbf9c02c93b2675d982444802145e0f961d1204c345ebb550b9e91dcbba9
[INFO] running `Command { std: "docker" "start" "-a" "19cedbf9c02c93b2675d982444802145e0f961d1204c345ebb550b9e91dcbba9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/field_ref-97f1181d54108167)
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 7 tests
[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:     0x56e15aeef152 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x56e15aeef152 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x56e15aeef152 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x56e15aeef152 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5bb8a979ba5db788
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x56e15aeff35f - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x56e15aeff35f - core::fmt::write::h1e0dbf07fe3990bd
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]    6:     0x56e15aebc9e3 - std::io::default_write_fmt::hb0810a37865e52a5
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x56e15aebc9e3 - std::io::Write::write_fmt::h12c8908aaac7ca22
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x56e15aec88d2 - std::sys::backtrace::BacktraceLock::print::h788d486777205086
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x56e15aecd2cf - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x56e15aecd129 - std::panicking::default_hook::h6dad75ec721846f4
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x56e15ae8d1ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h33799d04b0b96146
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9
[INFO] [stderr]   12:     0x56e15ae8d1ee - test::test_main_with_exit_callback::{{closure}}::h880e31c829a2eb5d
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x56e15aecd96e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h5e1b8c652ea49180
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1999:9
[INFO] [stderr]   14:     0x56e15aecd96e - std::panicking::panic_with_hook::hba00e869ada17676
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x56e15aecd706 - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x56e15aec8a09 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x56e15aeb0d7d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x56e15af069ad - core::panicking::panic_nounwind_fmt::runtime::hac4f6b13dba0e83c
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:117:22
[INFO] [stderr]   19:     0x56e15af069ad - core::panicking::panic_nounwind_fmt::h6abdf93d58efc633
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/intrinsics/mod.rs:2380:9
[INFO] [stderr]   20:     0x56e15af06b8d - core::panicking::panic_null_pointer_dereference::h2c29399a43978030
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:302:5
[INFO] [stderr]   21:     0x56e15ae6b0db - field_ref::tests::basic_test::hc309ab3e2d1b6930
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:496:51
[INFO] [stderr]   22:     0x56e15ae6b327 - field_ref::tests::basic_test::{{closure}}::h1c7f7485b7ea1c07
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:650:20
[INFO] [stderr]   23:     0x56e15ae693c6 - core::ops::function::FnOnce::call_once::he731c8065151825a
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   24:     0x56e15ae8cfeb - core::ops::function::FnOnce::call_once::h7f4b4fba903e39d5
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   25:     0x56e15ae8cfeb - test::__rust_begin_short_backtrace::h9277cb6a2ccfc000
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:663:18
[INFO] [stderr]   26:     0x56e15aea2a95 - test::run_test_in_process::{{closure}}::h9aea5ca90d1f4423
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:74
[INFO] [stderr]   27:     0x56e15aea2a95 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h364f5fe6cc8afa85
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   28:     0x56e15aea2a95 - std::panicking::catch_unwind::do_call::h2b2bec3317fe53ec
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40
[INFO] [stderr]   29:     0x56e15aea2a95 - std::panicking::catch_unwind::hc3763734156da4af
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19
[INFO] [stderr]   30:     0x56e15aea2a95 - std::panic::catch_unwind::h28038391e867eabc
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14
[INFO] [stderr]   31:     0x56e15aea2a95 - test::run_test_in_process::had0273166695a036
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:686:27
[INFO] [stderr]   32:     0x56e15aea2a95 - test::run_test::{{closure}}::h743d09d4bb476605
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:607:43
[INFO] [stderr]   33:     0x56e15ae794b4 - test::run_test::{{closure}}::he950b8f9118d37e2
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/test/src/lib.rs:637:41
[INFO] [stderr]   34:     0x56e15ae794b4 - std::sys::backtrace::__rust_begin_short_backtrace::hbfaffa6539f6abb7
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   35:     0x56e15ae7cd9a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcce3c2c65b9c3b20
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:559:17
[INFO] [stderr]   36:     0x56e15ae7cd9a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66b30b6d37985a5
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   37:     0x56e15ae7cd9a - std::panicking::catch_unwind::do_call::h992bbe2c32dc1d79
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40
[INFO] [stderr]   38:     0x56e15ae7cd9a - std::panicking::catch_unwind::h412991d5237de610
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19
[INFO] [stderr]   39:     0x56e15ae7cd9a - std::panic::catch_unwind::ha82b139b3eb5840a
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14
[INFO] [stderr]   40:     0x56e15ae7cd9a - std::thread::Builder::spawn_unchecked_::{{closure}}::ha823b36f5114938e
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/thread/mod.rs:557:30
[INFO] [stderr]   41:     0x56e15ae7cd9a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf120e7b1db22ac07
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   42:     0x56e15aec2c8f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3e049222c99298ac
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]   43:     0x56e15aec2c8f - std::sys::pal::unix::thread::Thread::new::thread_start::h942e336943ad5963
[INFO] [stderr]                                at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/pal/unix/thread.rs:118:17
[INFO] [stderr]   44:     0x7f454be43aa4 - <unknown>
[INFO] [stderr]   45:     0x7f454bed0a34 - 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" "19cedbf9c02c93b2675d982444802145e0f961d1204c345ebb550b9e91dcbba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19cedbf9c02c93b2675d982444802145e0f961d1204c345ebb550b9e91dcbba9", kill_on_drop: false }`
[INFO] [stdout] 19cedbf9c02c93b2675d982444802145e0f961d1204c345ebb550b9e91dcbba9