[INFO] cloning repository https://github.com/kklimas/regsort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kklimas/regsort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklimas%2Fregsort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklimas%2Fregsort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 838bb0bb7ce8982a9ba99853279108a6e2304a40
[INFO] checking kklimas/regsort against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklimas%2Fregsort" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kklimas/regsort
[INFO] finished tweaking git repo https://github.com/kklimas/regsort
[INFO] tweaked toml for git repo https://github.com/kklimas/regsort written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kklimas/regsort on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kklimas/regsort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c2d735a9ecc6976da93d8a4e94a7dfb89b2154e983fe61bec75714af4e884ea
[INFO] running `Command { std: "docker" "start" "-a" "5c2d735a9ecc6976da93d8a4e94a7dfb89b2154e983fe61bec75714af4e884ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c2d735a9ecc6976da93d8a4e94a7dfb89b2154e983fe61bec75714af4e884ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2d735a9ecc6976da93d8a4e94a7dfb89b2154e983fe61bec75714af4e884ea", kill_on_drop: false }`
[INFO] [stdout] 5c2d735a9ecc6976da93d8a4e94a7dfb89b2154e983fe61bec75714af4e884ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0a947a7e2f204130352339579ec3172a5c801b4de17823ac01a2cb4aeda576
[INFO] running `Command { std: "docker" "start" "-a" "ac0a947a7e2f204130352339579ec3172a5c801b4de17823ac01a2cb4aeda576", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking sdd v3.0.8
[INFO] [stderr]     Checking winnow v0.7.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking inotify v0.11.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking scc v2.3.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking notify-types v2.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking notify v8.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]     Checking serial_test v3.2.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]     Checking regsort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (309) panicked at /rustc-dev/66388cc165a6c4ac98c074dc9f0281ff23528c55/compiler/rustc_ast/src/attr/mod.rs:302:36:
[INFO] [stderr] attribute is missing tokens: Attribute { kind: Normal(NormalAttr { item: AttrItem { unsafety: Default, path: Path { span: src/task/mod.rs:104:5: 104:12 (#243), segments: [PathSegment { ident: <test_trace>#243, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(107), style: Outer, span: src/task/mod.rs:104:5: 104:12 (#243) }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x75733c42bfa3 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x75733ca0fb48 - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]    2:     0x75733c442226 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x75733c401b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x75733c41f833 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]    5:     0x75733b40236a - std[7d609349af90bec6]::panicking::update_hook::<alloc[d7482eb0f1d19161]::boxed::Box<rustc_driver_impl[3f9d6dd912ac34bd]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x75733c41fb12 - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x75733c401c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x75733c3f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x75733c40372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]   10:     0x757339038f9c - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]   11:     0x75733d7e0110 - <rustc_ast[333fca09df5738a4]::ast::Attribute>::token_trees
[INFO] [stderr]   12:     0x75733e01c314 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::fully_expand_fragment
[INFO] [stderr]   13:     0x75733dfe65d2 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::expand_crate
[INFO] [stderr]   14:     0x75733d0f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand
[INFO] [stderr]   15:     0x75733dc07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw
[INFO] [stderr]   16:     0x75733dc073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2342951a64deba5]::query::erase::Erased<[u8; 16usize]>>
[INFO] [stderr]   17:     0x75733dc073a7 - <rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(rustc_middle[2342951a64deba5]::ty::context::TyCtxt, ())>>::call_once
[INFO] [stderr]   18:     0x75733dbecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::<rustc_query_impl[8c5349e00d64015e]::DynamicConfig<rustc_query_system[d45be4fb383a0235]::query::caches::SingleCache<rustc_middle[2342951a64deba5]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false>
[INFO] [stderr]   19:     0x75733dbec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   20:     0x75733dd7127b - <rustc_interface[903e43df8d6bd657]::passes::create_and_enter_global_ctxt<core[75ca2badb63c4514]::option::Option<rustc_interface[903e43df8d6bd657]::queries::Linker>, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(&rustc_session[1e6875ba352dc1ba]::session::Session, rustc_middle[2342951a64deba5]::ty::context::CurrentGcx, alloc[d7482eb0f1d19161]::sync::Arc<rustc_data_structures[c82a87ce5cdbfc92]::jobserver::Proxy>, &std[7d609349af90bec6]::sync::once_lock::OnceLock<rustc_middle[2342951a64deba5]::ty::context::GlobalCtxt>, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal<rustc_middle[2342951a64deba5]::arena::Arena>, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal<rustc_hir[cc727ec2ba6ebdb5]::Arena>, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0}
[INFO] [stderr]   21:     0x75733dc5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   22:     0x75733daeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[903e43df8d6bd657]::util::run_in_thread_with_globals<rustc_interface[903e43df8d6bd657]::util::run_in_thread_pool_with_globals<rustc_interface[903e43df8d6bd657]::interface::run_compiler<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   23:     0x75733daeaa20 - <std[7d609349af90bec6]::thread::lifecycle::spawn_unchecked<rustc_interface[903e43df8d6bd657]::util::run_in_thread_with_globals<rustc_interface[903e43df8d6bd657]::util::run_in_thread_pool_with_globals<rustc_interface[903e43df8d6bd657]::interface::run_compiler<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   24:     0x75733daed138 - <std[7d609349af90bec6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   25:     0x75733768aaa4 - <unknown>
[INFO] [stderr]   26:     0x757337717a64 - clone
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-01-09T16_52_52-303.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.94.0-nightly (66388cc16 2026-01-08) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] #0 [resolver_for_lowering_raw] getting the resolver for lowering
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `regsort` (bin "regsort" test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name regsort --edition=2024 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=dbc9884d76505154 -C extra-filename=-ce0a210a94c46189 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern notify=/opt/rustwide/target/debug/deps/libnotify-5117a9ed066c60b8.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5283b3525d11c903.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5566416ea120b3e8.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-71626f97843390b2.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-b825bcf36ead0b95.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-6d42c53448f4759d.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-ecce8c65a828d870.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-1278d11b181efceb.rmeta --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "ac0a947a7e2f204130352339579ec3172a5c801b4de17823ac01a2cb4aeda576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0a947a7e2f204130352339579ec3172a5c801b4de17823ac01a2cb4aeda576", kill_on_drop: false }`
[INFO] [stdout] ac0a947a7e2f204130352339579ec3172a5c801b4de17823ac01a2cb4aeda576