[INFO] fetching crate metamath-rs 0.3.8...
[INFO] testing metamath-rs-0.3.8 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate metamath-rs 0.3.8 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metamath-rs 0.3.8 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c295b7b867428f215658a04a110e3a8579dbddc07a11a27d2d2357e723c845df
[INFO] running `Command { std: "docker" "start" "-a" "c295b7b867428f215658a04a110e3a8579dbddc07a11a27d2d2357e723c845df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c295b7b867428f215658a04a110e3a8579dbddc07a11a27d2d2357e723c845df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c295b7b867428f215658a04a110e3a8579dbddc07a11a27d2d2357e723c845df", kill_on_drop: false }`
[INFO] [stdout] c295b7b867428f215658a04a110e3a8579dbddc07a11a27d2d2357e723c845df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 741ee8a3ccd9978e787cee932f16d46b618ca5595acf7d4719b1565bdf8038bb
[INFO] running `Command { std: "docker" "start" "-a" "741ee8a3ccd9978e787cee932f16d46b618ca5595acf7d4719b1565bdf8038bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling yansi-term v0.1.2
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling annotate-snippets v0.9.2
[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 8.01s
[INFO] running `Command { std: "docker" "inspect" "741ee8a3ccd9978e787cee932f16d46b618ca5595acf7d4719b1565bdf8038bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741ee8a3ccd9978e787cee932f16d46b618ca5595acf7d4719b1565bdf8038bb", kill_on_drop: false }`
[INFO] [stdout] 741ee8a3ccd9978e787cee932f16d46b618ca5595acf7d4719b1565bdf8038bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bc7d582d23bb9ba7d22ff584269de4e6b10b187588057b8b0a4e907a041ed8f
[INFO] running `Command { std: "docker" "start" "-a" "3bc7d582d23bb9ba7d22ff584269de4e6b10b187588057b8b0a4e907a041ed8f", 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 4.24s
[INFO] running `Command { std: "docker" "inspect" "3bc7d582d23bb9ba7d22ff584269de4e6b10b187588057b8b0a4e907a041ed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc7d582d23bb9ba7d22ff584269de4e6b10b187588057b8b0a4e907a041ed8f", kill_on_drop: false }`
[INFO] [stdout] 3bc7d582d23bb9ba7d22ff584269de4e6b10b187588057b8b0a4e907a041ed8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f554be1eaa3d7a10b6923a1a5e71ee1dea85c62207166d707d1c0d31f0cca0d1
[INFO] running `Command { std: "docker" "start" "-a" "f554be1eaa3d7a10b6923a1a5e71ee1dea85c62207166d707d1c0d31f0cca0d1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metamath_rs-339f543f4675b6e3)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test comment_parser_tests::edge_cases ... ok
[INFO] [stdout] test comment_parser_tests::test_html ... ok
[INFO] [stdout] test comment_parser_tests::test_italic ... ok
[INFO] [stdout] test comment_parser_tests::test_para ... ok
[INFO] [stdout] test comment_parser_tests::test_label ... ok
[INFO] [stdout] test comment_parser_tests::test_subscript ... ok
[INFO] [stdout] test comment_parser_tests::test_two_subscript ... ok
[INFO] [stdout] test comment_parser_tests::test_three_subscript ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'formula_tests::test_replace' (40) panicked at src/util.rs:38:17:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x612ca73489f2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x612ca73489f2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x612ca73489f2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x612ca73489f2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x612ca735e62a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x612ca735e62a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stderr]    6:     0x612ca734e586 - std[716c9a7a72e5c14e]::io::default_write_fmt::<std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x612ca734e586 - <std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x612ca7326dbf - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x612ca7326dbf - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x612ca7340ca1 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x612ca706a93e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   12:     0x612ca706a93e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x612ca7340e92 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   14:     0x612ca7340e92 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x612ca7326eaa - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x612ca731e849 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x612ca7327ccd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x612ca735ec0d - core[c5ed12ab89cc536a]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x612ca735ec0d - core[c5ed12ab89cc536a]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/intrinsics/mod.rs:2431:9
[INFO] [stderr]   20:     0x612ca703e154 - <usize as core[c5ed12ab89cc536a]::slice::index::SliceIndex<[_]>>::get_unchecked_mut::precondition_check
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x612ca703ecc9 - <usize as core[c5ed12ab89cc536a]::slice::index::SliceIndex<[u8]>>::get_unchecked_mut
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x612ca6fe6268 - <[u8]>::get_unchecked_mut::<usize>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/slice/mod.rs:691:30
[INFO] [stderr]   23:     0x612ca7022eda - metamath_rs[1b6f4ccf9038e601]::util::fast_extend::<u8>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/util.rs:38:17
[INFO] [stderr]   24:     0x612ca703973d - metamath_rs[1b6f4ccf9038e601]::scopeck::scan_expression
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:493:17
[INFO] [stderr]   25:     0x612ca703b264 - metamath_rs[1b6f4ccf9038e601]::scopeck::construct_full_frame
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:598:20
[INFO] [stderr]   26:     0x612ca703a48c - metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check_assert
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:638:13
[INFO] [stderr]   27:     0x612ca703aace - metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check_single
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:913:63
[INFO] [stderr]   28:     0x612ca70326f6 - metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:999:31
[INFO] [stderr]   29:     0x612ca701e443 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   30:     0x612ca7025397 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check::{closure#0}>, core[c5ed12ab89cc536a]::option::Option<alloc[9c68fdf4f4f29218]::sync::Arc<metamath_rs[1b6f4ccf9038e601]::scopeck::SegmentScopeResult>>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stderr]   31:     0x612ca700f39b - __rust_try
[INFO] [stderr]   32:     0x612ca70015f9 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::option::Option<alloc[9c68fdf4f4f29218]::sync::Arc<metamath_rs[1b6f4ccf9038e601]::scopeck::SegmentScopeResult>>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check::{closure#0}>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stderr]   33:     0x612ca70015f9 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check::{closure#0}>, core[c5ed12ab89cc536a]::option::Option<alloc[9c68fdf4f4f29218]::sync::Arc<metamath_rs[1b6f4ccf9038e601]::scopeck::SegmentScopeResult>>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stderr]   34:     0x612ca6fbb8c8 - <metamath_rs[1b6f4ccf9038e601]::database::Executor>::exec::<metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check::{closure#0}, core[c5ed12ab89cc536a]::option::Option<alloc[9c68fdf4f4f29218]::sync::Arc<metamath_rs[1b6f4ccf9038e601]::scopeck::SegmentScopeResult>>>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:292:27
[INFO] [stderr]   35:     0x612ca6fdb736 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnMut<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnMut<()>>::call_mut
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2213:9
[INFO] [stderr]   36:     0x612ca6fbff65 - metamath_rs[1b6f4ccf9038e601]::database::queue_work
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:222:9
[INFO] [stderr]   37:     0x612ca6fb7556 - <metamath_rs[1b6f4ccf9038e601]::database::Executor>::exec::<metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check::{closure#0}, core[c5ed12ab89cc536a]::option::Option<alloc[9c68fdf4f4f29218]::sync::Arc<metamath_rs[1b6f4ccf9038e601]::scopeck::SegmentScopeResult>>>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:285:9
[INFO] [stderr]   38:     0x612ca70388c0 - metamath_rs[1b6f4ccf9038e601]::scopeck::scope_check
[INFO] [stderr]                                at /opt/rustwide/workdir/src/scopeck.rs:989:42
[INFO] [stderr]   39:     0x612ca6fbd76b - <metamath_rs[1b6f4ccf9038e601]::database::Database>::scope_pass::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:551:17
[INFO] [stderr]   40:     0x612ca6fb837c - metamath_rs[1b6f4ccf9038e601]::database::time::<(), <metamath_rs[1b6f4ccf9038e601]::database::Database>::scope_pass::{closure#0}>
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:417:15
[INFO] [stderr]   41:     0x612ca6fbf28b - <metamath_rs[1b6f4ccf9038e601]::database::Database>::scope_pass
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:547:13
[INFO] [stderr]   42:     0x612ca6fbf31e - <metamath_rs[1b6f4ccf9038e601]::database::Database>::grammar_pass
[INFO] [stderr]                                at /opt/rustwide/workdir/src/database.rs:717:18
[INFO] [stderr]   43:     0x612ca6fcebeb - metamath_rs[1b6f4ccf9038e601]::formula_tests::test_replace
[INFO] [stderr]                                at /opt/rustwide/workdir/src/formula_tests.rs:99:22
[INFO] [stderr]   44:     0x612ca6fc9ff7 - metamath_rs[1b6f4ccf9038e601]::formula_tests::test_replace::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/formula_tests.rs:96:18
[INFO] [stderr]   45:     0x612ca70210d6 - <metamath_rs[1b6f4ccf9038e601]::formula_tests::test_replace::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   46:     0x612ca705eceb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   47:     0x612ca705eceb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stderr]   48:     0x612ca706b54a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stderr]   49:     0x612ca706b54a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   50:     0x612ca706b54a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stderr]   51:     0x612ca706b54a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stderr]   52:     0x612ca706b54a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stderr]   53:     0x612ca706b54a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stderr]   54:     0x612ca706b54a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stderr]   55:     0x612ca7065a14 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stderr]   56:     0x612ca7065a14 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   57:     0x612ca706e042 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   58:     0x612ca706e042 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   59:     0x612ca706e042 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stderr]   60:     0x612ca706e042 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stderr]   61:     0x612ca706e042 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stderr]   62:     0x612ca706e042 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   63:     0x612ca706e042 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   64:     0x612ca734829f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stderr]   65:     0x612ca734829f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stderr]   66:     0x71fa0f170aa4 - <unknown>
[INFO] [stderr]   67:     0x71fa0f1fda64 - 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-339f543f4675b6e3` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "f554be1eaa3d7a10b6923a1a5e71ee1dea85c62207166d707d1c0d31f0cca0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f554be1eaa3d7a10b6923a1a5e71ee1dea85c62207166d707d1c0d31f0cca0d1", kill_on_drop: false }`
[INFO] [stdout] f554be1eaa3d7a10b6923a1a5e71ee1dea85c62207166d707d1c0d31f0cca0d1
