[INFO] fetching crate metamath-rs 0.3.8...
[INFO] testing metamath-rs-0.3.8 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate metamath-rs 0.3.8 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metamath-rs 0.3.8 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding annotate-snippets v0.9.2 (available: v0.12.10)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding xml-rs v0.8.28 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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 yansi-term v0.1.2
[INFO] [stderr]   Downloaded dot-writer v0.1.4
[INFO] [stderr]   Downloaded assert_matches v1.5.0
[INFO] [stderr]   Downloaded annotate-snippets v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0169478de57ba675ac0cf0d3c152892cea0c8f40eee5c378227e9abbf0db1249
[INFO] running `Command { std: "docker" "start" "-a" "0169478de57ba675ac0cf0d3c152892cea0c8f40eee5c378227e9abbf0db1249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0169478de57ba675ac0cf0d3c152892cea0c8f40eee5c378227e9abbf0db1249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0169478de57ba675ac0cf0d3c152892cea0c8f40eee5c378227e9abbf0db1249", kill_on_drop: false }`
[INFO] [stdout] 0169478de57ba675ac0cf0d3c152892cea0c8f40eee5c378227e9abbf0db1249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5279215c9a698adb2b9aee694ec930f28acdb14a6a9bfff85750984512c39e6d
[INFO] running `Command { std: "docker" "start" "-a" "5279215c9a698adb2b9aee694ec930f28acdb14a6a9bfff85750984512c39e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling yansi-term v0.1.2
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling annotate-snippets v0.9.2
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling metamath-rs v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.03s
[INFO] running `Command { std: "docker" "inspect" "5279215c9a698adb2b9aee694ec930f28acdb14a6a9bfff85750984512c39e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5279215c9a698adb2b9aee694ec930f28acdb14a6a9bfff85750984512c39e6d", kill_on_drop: false }`
[INFO] [stdout] 5279215c9a698adb2b9aee694ec930f28acdb14a6a9bfff85750984512c39e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc1e093b4de7e6085f603f40f97a53c71568c2a1592931261aa5b7816e5a02ed
[INFO] running `Command { std: "docker" "start" "-a" "bc1e093b4de7e6085f603f40f97a53c71568c2a1592931261aa5b7816e5a02ed", 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 5.03s
[INFO] running `Command { std: "docker" "inspect" "bc1e093b4de7e6085f603f40f97a53c71568c2a1592931261aa5b7816e5a02ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1e093b4de7e6085f603f40f97a53c71568c2a1592931261aa5b7816e5a02ed", kill_on_drop: false }`
[INFO] [stdout] bc1e093b4de7e6085f603f40f97a53c71568c2a1592931261aa5b7816e5a02ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d7512ddca2cb7b0ebb4679579f979ba0c3bc74dd00c672e789c5ceb88a3f67d
[INFO] running `Command { std: "docker" "start" "-a" "5d7512ddca2cb7b0ebb4679579f979ba0c3bc74dd00c672e789c5ceb88a3f67d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metamath_rs-5a2f66c3d6dd4589)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stderr] 
[INFO] [stdout] test comment_parser_tests::test_bib ... ok
[INFO] [stderr] thread 'formula_tests::test_unify_fail' (43) panicked at src/util.rs:38:17:
[INFO] [stdout] test comment_parser_tests::edge_cases ... ok
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stdout] test comment_parser_tests::test_basic ... ok
[INFO] [stderr] 
[INFO] [stdout] test comment_parser_tests::test_html ... ok
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stdout] test comment_parser_tests::test_italic ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test comment_parser_tests::test_double_underscore ... ok
[INFO] [stdout] test comment_parser_tests::test_label ... ok
[INFO] [stdout] test comment_parser_tests::test_math ... ok
[INFO] [stdout] test comment_parser_tests::test_space_around_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_discouragements ... ok
[INFO] [stdout] test comment_parser_tests::test_three_subscript ... ok
[INFO] [stdout] test comment_parser_tests::test_subscript ... ok
[INFO] [stderr]    0:     0x5bf700f5ac72 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5bf700f5ac72 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5bf700f5ac72 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x5bf700f5ac72 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x5bf700f7087a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x5bf700f7087a - core[27de1724e4349be2]::fmt::write
[INFO] [stderr]    6:     0x5bf700f607d6 - std[3b51380354919863]::io::default_write_fmt::<std[3b51380354919863]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5bf700f607d6 - <std[3b51380354919863]::sys::stdio::unix::Stderr as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x5bf700f3930f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x5bf700f3930f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x5bf700f52f21 - std[3b51380354919863]::panicking::default_hook
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x5bf700c784de - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   12:     0x5bf700c784de - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5bf700f53112 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   14:     0x5bf700f53112 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x5bf700f393fa - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x5bf700f2e649 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x5bf700f3a21d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x5bf700f70e5d - core[27de1724e4349be2]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x5bf700f70e5d - core[27de1724e4349be2]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/intrinsics/mod.rs:2431:9
[INFO] [stderr]   20:     0x5bf700bc7264 - <usize as core[27de1724e4349be2]::slice::index::SliceIndex<[_]>>::get_unchecked_mut::precondition_check
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x5bf700bc7bf9 - <usize as core[27de1724e4349be2]::slice::index::SliceIndex<[u8]>>::get_unchecked_mut
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x5bf700ba7498 - <[u8]>::get_unchecked_mut::<usize>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/slice/mod.rs:690:30
[INFO] [stderr]   23:     0x5bf700c130ea - metamath_rs[502f158bb1f8f23]::util::fast_extend::<u8>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/util.rs:38:17
[INFO] [stderr]   24:     0x5bf700bf0ded - metamath_rs[502f158bb1f8f23]::scopeck::scan_expression
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:493:17
[INFO] [stderr]   25:     0x5bf700bf2914 - metamath_rs[502f158bb1f8f23]::scopeck::construct_full_frame
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:598:20
[INFO] [stderr]   26:     0x5bf700bf1b3c - metamath_rs[502f158bb1f8f23]::scopeck::scope_check_assert
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:638:13
[INFO] [stderr]   27:     0x5bf700bf217e - metamath_rs[502f158bb1f8f23]::scopeck::scope_check_single
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:913:63
[INFO] [stderr]   28:     0x5bf700be8e76 - metamath_rs[502f158bb1f8f23]::scopeck::scope_check::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:999:31
[INFO] [stderr]   29:     0x5bf700c313d3 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<metamath_rs[502f158bb1f8f23]::scopeck::scope_check::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   30:     0x5bf700c1e6d7 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<metamath_rs[502f158bb1f8f23]::scopeck::scope_check::{closure#0}>, core[27de1724e4349be2]::option::Option<alloc[a57f19327c0ad893]::sync::Arc<metamath_rs[502f158bb1f8f23]::scopeck::SegmentScopeResult>>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stderr]   31:     0x5bf700c07e2b - __rust_try
[INFO] [stderr]   32:     0x5bf700bf86e9 - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::option::Option<alloc[a57f19327c0ad893]::sync::Arc<metamath_rs[502f158bb1f8f23]::scopeck::SegmentScopeResult>>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<metamath_rs[502f158bb1f8f23]::scopeck::scope_check::{closure#0}>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stderr]   33:     0x5bf700bf86e9 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<metamath_rs[502f158bb1f8f23]::scopeck::scope_check::{closure#0}>, core[27de1724e4349be2]::option::Option<alloc[a57f19327c0ad893]::sync::Arc<metamath_rs[502f158bb1f8f23]::scopeck::SegmentScopeResult>>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stderr]   34:     0x5bf700bfbca8 - <metamath_rs[502f158bb1f8f23]::database::Executor>::exec::<metamath_rs[502f158bb1f8f23]::scopeck::scope_check::{closure#0}, core[27de1724e4349be2]::option::Option<alloc[a57f19327c0ad893]::sync::Arc<metamath_rs[502f158bb1f8f23]::scopeck::SegmentScopeResult>>>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:292:27
[INFO] [stderr]   35:     0x5bf700c315a6 - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnMut<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnMut<()>>::call_mut
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2213:9
[INFO] [stderr]   36:     0x5bf700bffe15 - metamath_rs[502f158bb1f8f23]::database::queue_work
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:222:9
[INFO] [stderr]   37:     0x5bf700bf7386 - <metamath_rs[502f158bb1f8f23]::database::Executor>::exec::<metamath_rs[502f158bb1f8f23]::scopeck::scope_check::{closure#0}, core[27de1724e4349be2]::option::Option<alloc[a57f19327c0ad893]::sync::Arc<metamath_rs[502f158bb1f8f23]::scopeck::SegmentScopeResult>>>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:285:9
[INFO] [stderr]   38:     0x5bf700beff70 - metamath_rs[502f158bb1f8f23]::scopeck::scope_check
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:989:42
[INFO] [stderr]   39:     0x5bf700bfdccb - <metamath_rs[502f158bb1f8f23]::database::Database>::scope_pass::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:551:17
[INFO] [stderr]   40:     0x5bf700bf897c - metamath_rs[502f158bb1f8f23]::database::time::<(), <metamath_rs[502f158bb1f8f23]::database::Database>::scope_pass::{closure#0}>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:417:15
[INFO] [stderr]   41:     0x5bf700bff16b - <metamath_rs[502f158bb1f8f23]::database::Database>::scope_pass
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:547:13
[INFO] [stderr]   42:     0x5bf700bff32e - <metamath_rs[502f158bb1f8f23]::database::Database>::stmt_parse_pass
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:747:18
[INFO] [stderr]   43:     0x5bf700c25b4c - metamath_rs[502f158bb1f8f23]::formula_tests::test_unify_fail
[INFO] [stderr]                                at /opt/rustwide/workdir/src/formula_tests.rs:50:25
[INFO] [stderr]   44:     0x5bf700c1fea7 - metamath_rs[502f158bb1f8f23]::formula_tests::test_unify_fail::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/formula_tests.rs:48:21
[INFO] [stderr]   45:     0x5bf700c6b3d6 - <metamath_rs[502f158bb1f8f23]::formula_tests::test_unify_fail::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   46:     0x5bf700c6c88b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   47:     0x5bf700c6c88b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stderr]   48:     0x5bf700c790ea - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stderr]   49:     0x5bf700c790ea - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   50:     0x5bf700c790ea - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stderr]   51:     0x5bf700c790ea - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stderr]   52:     0x5bf700c790ea - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stderr]   53:     0x5bf700c790ea - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stderr]   54:     0x5bf700c790ea - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stderr]   55:     0x5bf700c74694 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stderr]   56:     0x5bf700c74694 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   57:     0x5bf700c7bbe2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   58:     0x5bf700c7bbe2 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   59:     0x5bf700c7bbe2 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stderr]   60:     0x5bf700c7bbe2 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stderr]   61:     0x5bf700c7bbe2 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stderr]   62:     0x5bf700c7bbe2 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   63:     0x5bf700c7bbe2 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   64:     0x5bf700f5a51f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stderr]   65:     0x5bf700f5a51f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stderr]   66:     0x7eb3b64bbaa4 - <unknown>
[INFO] [stderr]   67:     0x7eb3b6548a64 - clone
[INFO] [stderr]   68:                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-5a2f66c3d6dd4589` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "5d7512ddca2cb7b0ebb4679579f979ba0c3bc74dd00c672e789c5ceb88a3f67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7512ddca2cb7b0ebb4679579f979ba0c3bc74dd00c672e789c5ceb88a3f67d", kill_on_drop: false }`
[INFO] [stdout] 5d7512ddca2cb7b0ebb4679579f979ba0c3bc74dd00c672e789c5ceb88a3f67d
