[INFO] fetching crate pars-core 0.2.4... [INFO] checking pars-core-0.2.4 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate pars-core 0.2.4 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate pars-core 0.2.4 [INFO] finished tweaking crates.io crate pars-core 0.2.4 [INFO] tweaked toml for crates.io crate pars-core 0.2.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pars-core 0.2.4 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 crates.io crate pars-core 0.2.4 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 956eb1a628eff7db162c8470caf1dcb69b8f08fe85ab9026b93c8d7d943df0d1 [INFO] running `Command { std: "docker" "start" "-a" "956eb1a628eff7db162c8470caf1dcb69b8f08fe85ab9026b93c8d7d943df0d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "956eb1a628eff7db162c8470caf1dcb69b8f08fe85ab9026b93c8d7d943df0d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "956eb1a628eff7db162c8470caf1dcb69b8f08fe85ab9026b93c8d7d943df0d1", kill_on_drop: false }` [INFO] [stdout] 956eb1a628eff7db162c8470caf1dcb69b8f08fe85ab9026b93c8d7d943df0d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 865165d998bb7e5b0b96cd14dd34471037167b9191a5941d47314bc3bfaf652c [INFO] running `Command { std: "docker" "start" "-a" "865165d998bb7e5b0b96cd14dd34471037167b9191a5941d47314bc3bfaf652c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking indexmap v2.11.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking bitflags v2.9.4 [INFO] [stderr] Checking winnow v0.7.13 [INFO] [stderr] Checking rustix v1.1.2 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking dirs-sys v0.5.0 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking regex-automata v0.4.11 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking directories v6.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking dirs v6.0.0 [INFO] [stderr] Checking os_pipe v1.2.2 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Checking secrecy v0.10.3 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking bumpalo v3.19.0 [INFO] [stderr] Checking clean-path v0.2.1 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling random-number-macro-impl v0.1.8 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking regex v1.11.3 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking random-number v0.1.9 [INFO] [stderr] Checking random-pick v1.2.16 [INFO] [stderr] Checking passwords v3.1.16 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking toml_datetime v0.6.11 [INFO] [stderr] Checking serde_spanned v0.6.9 [INFO] [stderr] Checking toml_edit v0.22.27 [INFO] [stderr] Checking toml v0.8.23 [INFO] [stderr] Checking pars-core v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (491) 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/operation/copy_or_rename.rs:372:5: 372:12 (#229), segments: [PathSegment { ident: #229, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(356), style: Outer, span: src/operation/copy_or_rename.rs:372:5: 372:12 (#229) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f00d142bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7f00d1a0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7f00d1442226 - ::write_fmt [INFO] [stderr] 3: 0x7f00d1401b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7f00d141f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7f00d040236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7f00d141fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7f00d1401c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7f00d13f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7f00d140372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7f00ce038f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7f00d27e0110 - ::token_trees [INFO] [stderr] 12: 0x7f00d301c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7f00d2fe65d2 - ::expand_crate [INFO] [stderr] 14: 0x7f00d20f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7f00d2c07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7f00d2c073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7f00d2c073a7 - >::call_once [INFO] [stderr] 18: 0x7f00d2becb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7f00d2bec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7f00d2d7127b - , 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, &std[7d609349af90bec6]::sync::once_lock::OnceLock, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0} [INFO] [stderr] 21: 0x7f00d2c5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7f00d2aeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7f00d2aeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7f00d2aed138 - ::new::thread_start [INFO] [stderr] 25: 0x7f00cc68aaa4 - [INFO] [stderr] 26: 0x7f00cc717a64 - clone [INFO] [stderr] 27: 0x0 - [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-2026-01-08T21_19_12-489.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 `pars-core` (lib test) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name pars_core --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default"))' -C metadata=46ed8553471da00a -C extra-filename=-5911929e67a9b1f8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-5cf73cd768c5f646.rmeta --extern bumpalo=/opt/rustwide/target/debug/deps/libbumpalo-081ec9d78a7ae3c2.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-5c30092b4c35bbe1.rmeta --extern clean_path=/opt/rustwide/target/debug/deps/libclean_path-1a9db3b20507c4fc.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-9f883aca25bb3b22.rmeta --extern directories=/opt/rustwide/target/debug/deps/libdirectories-1ad0cba7f12fa6a8.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-f05ed02d1f4fb23f.rmeta --extern fs_extra=/opt/rustwide/target/debug/deps/libfs_extra-9b67bd222d4f3576.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cb8ca6aa8c56979f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f0efc98faf8f1763.rmeta --extern os_pipe=/opt/rustwide/target/debug/deps/libos_pipe-f6f6c6c6a124846f.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-a3de893d87155ecf.rmeta --extern passwords=/opt/rustwide/target/debug/deps/libpasswords-77da7fe90f6d719c.rmeta --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-a21c3242f84402d4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-6e310a11b9c27d9e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-095f573b750e1101.rmeta --extern secrecy=/opt/rustwide/target/debug/deps/libsecrecy-1089fbff901f2405.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-676289e5544207f3.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-9724ba41e705bb6b.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-cc78e220f5a3fd66.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-45227f7f54d8b5d0.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-2e434796dea6b7f0.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-1278d11b181efceb.rmeta --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-a40156bb3ac2a890.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "865165d998bb7e5b0b96cd14dd34471037167b9191a5941d47314bc3bfaf652c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "865165d998bb7e5b0b96cd14dd34471037167b9191a5941d47314bc3bfaf652c", kill_on_drop: false }` [INFO] [stdout] 865165d998bb7e5b0b96cd14dd34471037167b9191a5941d47314bc3bfaf652c