[INFO] fetching crate metamath-rs 0.3.8...
[INFO] testing metamath-rs-0.3.8 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate metamath-rs 0.3.8 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate metamath-rs 0.3.8 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metamath-rs 0.3.8
[INFO] finished tweaking crates.io crate metamath-rs 0.3.8
[INFO] tweaked toml for crates.io crate metamath-rs 0.3.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding annotate-snippets v0.9.2 (latest: v0.11.2)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot-writer v0.1.3
[INFO] [stderr]   Downloaded annotate-snippets v0.9.2
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f2265cadf23ecb99954320c457a0e804574ea74151181b8e83abc5f5afb3c67
[INFO] running `Command { std: "docker" "start" "-a" "2f2265cadf23ecb99954320c457a0e804574ea74151181b8e83abc5f5afb3c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f2265cadf23ecb99954320c457a0e804574ea74151181b8e83abc5f5afb3c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2265cadf23ecb99954320c457a0e804574ea74151181b8e83abc5f5afb3c67", kill_on_drop: false }`
[INFO] [stdout] 2f2265cadf23ecb99954320c457a0e804574ea74151181b8e83abc5f5afb3c67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4d8fb497762fcf3a11e98a702d98303b1baecd9c40af5788a11ec52258290bd
[INFO] running `Command { std: "docker" "start" "-a" "f4d8fb497762fcf3a11e98a702d98303b1baecd9c40af5788a11ec52258290bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling yansi-term v0.1.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling annotate-snippets v0.9.2
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling metamath-rs v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `Command { std: "docker" "inspect" "f4d8fb497762fcf3a11e98a702d98303b1baecd9c40af5788a11ec52258290bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d8fb497762fcf3a11e98a702d98303b1baecd9c40af5788a11ec52258290bd", kill_on_drop: false }`
[INFO] [stdout] f4d8fb497762fcf3a11e98a702d98303b1baecd9c40af5788a11ec52258290bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc815dd46b7da0801c4d50a061c20b55e5f1bef764fe27c5622346197280e76
[INFO] running `Command { std: "docker" "start" "-a" "9dc815dd46b7da0801c4d50a061c20b55e5f1bef764fe27c5622346197280e76", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling metamath-rs v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "9dc815dd46b7da0801c4d50a061c20b55e5f1bef764fe27c5622346197280e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc815dd46b7da0801c4d50a061c20b55e5f1bef764fe27c5622346197280e76", kill_on_drop: false }`
[INFO] [stdout] 9dc815dd46b7da0801c4d50a061c20b55e5f1bef764fe27c5622346197280e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5137dc8286d8253976054059ece4160c0a9520cf059078558e149c0e7145832
[INFO] running `Command { std: "docker" "start" "-a" "a5137dc8286d8253976054059ece4160c0a9520cf059078558e149c0e7145832", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metamath_rs-1c41eb3f1a3d3859)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test comment_parser_tests::test_three_subscript ... ok
[INFO] [stdout] test comment_parser_tests::test_math ... ok
[INFO] [stdout] test comment_parser_tests::test_para ... ok
[INFO] [stdout] test comment_parser_tests::test_two_subscript ... ok
[INFO] [stdout] test comment_parser_tests::test_subscript ... ok
[INFO] [stdout] test comment_parser_tests::test_double_underscore ... ok
[INFO] [stderr] thread 'grammar_tests::test_db_43_formula' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55d48dcde865 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x55d48dcde865 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x55d48dcde865 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x55d48dcde865 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x55d48dd057bb - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x55d48dd057bb - core::fmt::write::h8bcd80919a02be29
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x55d48dcdc11f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x55d48dcde63e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x55d48dcde63e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x55d48dce0069 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stderr]   10:     0x55d48dcdfdad - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x55d48da19e2a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x55d48da19e2a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x55d48dce066b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x55d48dce066b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x55d48dce03ab - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x55d48dcded29 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x55d48dce0117 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x55d48d8c2e40 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x55d48d8c2e40 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x55d48d8c2ed2 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x55d48d9742b8 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::precondition_check::h39347a181dd00f99
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:68:21
[INFO] [stderr]   22:     0x55d48d9741fd - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::h83484b636354cbeb
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:75:17
[INFO] [stderr]   23:     0x55d48d9c2628 - core::slice::<impl [T]>::get_unchecked_mut::hecac297d58cbfbc2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/slice/mod.rs:728:24
[INFO] [stderr]   24:     0x55d48d97594c - metamath_rs::util::fast_extend::h43bb7edb49f54160
[INFO] [stderr]                                at /opt/rustwide/workdir/src/util.rs:38:13
[INFO] [stderr]   25:     0x55d48d98e119 - metamath_rs::scopeck::scan_expression::h3c148c35f78cea7b
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:493:17
[INFO] [stderr]   26:     0x55d48d98ed40 - metamath_rs::scopeck::construct_full_frame::h4437caa7b17ec17e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:598:20
[INFO] [stderr]   27:     0x55d48d98fa16 - metamath_rs::scopeck::scope_check_assert::hb0c03e375dbf29dc
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:638:13
[INFO] [stderr]   28:     0x55d48d991eca - metamath_rs::scopeck::scope_check_single::h1a180e5224bfc332
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:913:63
[INFO] [stderr]   29:     0x55d48d993673 - metamath_rs::scopeck::scope_check::{{closure}}::hba2e7b3de04c026c
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:999:31
[INFO] [stderr]   30:     0x55d48d950513 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h862b1ac1f25808e0
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   31:     0x55d48d9ce6a7 - std::panicking::try::do_call::he20a2c2869c5890a
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   32:     0x55d48d9d8abb - __rust_try
[INFO] [stderr]   33:     0x55d48d9ce1fe - std::panicking::try::h5d74835ed5ee0f57
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   34:     0x55d48d97253d - std::panic::catch_unwind::hfbcb7caef0348ce3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   35:     0x55d48d9ddb74 - metamath_rs::database::Executor::exec::{{closure}}::h814d85de0d98af5a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:292:27
[INFO] [stderr]   36:     0x55d48d966626 - <alloc::boxed::Box<F,A> as core::ops::function::FnMut<Args>>::call_mut::h69ff32b7684bbe45
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2029:9
[INFO] [stderr]   37:     0x55d48d9dc505 - metamath_rs::database::queue_work::h15c93912c9b04373
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:222:9
[INFO] [stderr]   38:     0x55d48d9dd659 - metamath_rs::database::Executor::exec::hd2974a475459cdaf
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:285:9
[INFO] [stderr]   39:     0x55d48d99332a - metamath_rs::scopeck::scope_check::h7a7eb2e9247d09c0
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:989:28
[INFO] [stderr]   40:     0x55d48d9e19fb - metamath_rs::database::Database::scope_pass::{{closure}}::hdff93385f9e03a77
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:551:17
[INFO] [stderr]   41:     0x55d48d9e001c - metamath_rs::database::time::h6c6b356bbf801f06
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:417:15
[INFO] [stderr]   42:     0x55d48d9e190b - metamath_rs::database::Database::scope_pass::h23f7d4897d1fa78b
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:547:13
[INFO] [stderr]   43:     0x55d48d9e1ebe - metamath_rs::database::Database::stmt_parse_pass::h6f7f2271fa5fb83f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:747:13
[INFO] [stderr]   44:     0x55d48d94c6ec - metamath_rs::grammar_tests::test_db_43_formula::h37a573a444181d63
[INFO] [stderr]                                at /opt/rustwide/workdir/src/grammar_tests.rs:249:22
[INFO] [stderr]   45:     0x55d48d94c6a7 - metamath_rs::grammar_tests::test_db_43_formula::{{closure}}::he6b8a5dfc35a97af
[INFO] [stderr]                                at /opt/rustwide/workdir/src/grammar_tests.rs:247:24
[INFO] [stderr]   46:     0x55d48d953f56 - core::ops::function::FnOnce::call_once::hbba48f101e187f60
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   47:     0x55d48da1e80b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   48:     0x55d48da1e80b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stderr]   49:     0x55d48da1df11 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stderr]   50:     0x55d48da1df11 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   51:     0x55d48da1df11 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   52:     0x55d48da1df11 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   53:     0x55d48da1df11 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   54:     0x55d48da1df11 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stderr]   55:     0x55d48da1df11 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stderr]   56:     0x55d48d9e68d4 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stderr]   57:     0x55d48d9e68d4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   58:     0x55d48d9eb302 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   59:     0x55d48d9eb302 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   60:     0x55d48d9eb302 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   61:     0x55d48d9eb302 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   62:     0x55d48d9eb302 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   63:     0x55d48d9eb302 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   64:     0x55d48d9eb302 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   65:     0x55d48dce496b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   66:     0x55d48dce496b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   67:     0x55d48dce496b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   68:     0x7ff1dc718ac3 - <unknown>
[INFO] [stderr]   69:     0x7ff1dc7a9a04 - __clone
[INFO] [stderr]   70:                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/metamath_rs-1c41eb3f1a3d3859` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "a5137dc8286d8253976054059ece4160c0a9520cf059078558e149c0e7145832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5137dc8286d8253976054059ece4160c0a9520cf059078558e149c0e7145832", kill_on_drop: false }`
[INFO] [stdout] a5137dc8286d8253976054059ece4160c0a9520cf059078558e149c0e7145832
