[INFO] fetching crate genanki-rs 0.4.0... [INFO] checking genanki-rs-0.4.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate genanki-rs 0.4.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate genanki-rs 0.4.0 [INFO] finished tweaking crates.io crate genanki-rs 0.4.0 [INFO] tweaked toml for crates.io crate genanki-rs 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate genanki-rs 0.4.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 109 packages to latest compatible versions [INFO] [stderr] Adding fancy-regex v0.5.0 (available: v0.17.0) [INFO] [stderr] Adding indoc-impl v0.3.6 (available: v0.3.7) [INFO] [stderr] Adding pyo3 v0.13.2 (available: v0.27.2) [INFO] [stderr] Adding ramhorns v0.10.2 (available: v1.0.1) [INFO] [stderr] Adding rusqlite v0.25.4 (available: v0.38.0) [INFO] [stderr] Adding serial_test v0.5.1 (available: v3.3.1) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] [stderr] Adding uuid v0.8.2 (available: v1.19.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] [stderr] Adding zip v0.5.13 (available: v7.0.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7fcf027fd32021bc436fabff0132440b088976d0890ad375623d1e271383de5f [INFO] running `Command { std: "docker" "start" "-a" "7fcf027fd32021bc436fabff0132440b088976d0890ad375623d1e271383de5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fcf027fd32021bc436fabff0132440b088976d0890ad375623d1e271383de5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fcf027fd32021bc436fabff0132440b088976d0890ad375623d1e271383de5f", kill_on_drop: false }` [INFO] [stdout] 7fcf027fd32021bc436fabff0132440b088976d0890ad375623d1e271383de5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c6aeb955605edd66f9324554983821754e262da24743fadb1d3495563913d378 [INFO] running `Command { std: "docker" "start" "-a" "c6aeb955605edd66f9324554983821754e262da24743fadb1d3495563913d378", kill_on_drop: false }` [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Compiling bzip2-sys v0.1.13+1.0.8 [INFO] [stderr] Compiling libsqlite3-sys v0.22.2 [INFO] [stderr] Compiling utf8-ranges v1.0.5 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Checking simd-adler32 v0.3.8 [INFO] [stderr] Compiling beef v0.4.4 [INFO] [stderr] Checking ahash v0.7.8 [INFO] [stderr] Compiling pulldown-cmark v0.7.2 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking unicase v2.9.0 [INFO] [stderr] Compiling unindent v0.1.11 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling inventory v0.1.11 [INFO] [stderr] Checking parking_lot_core v0.8.6 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling pyo3-macros-backend v0.13.2 [INFO] [stderr] Compiling ghost v0.1.20 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Compiling ramhorns-derive v0.10.2 [INFO] [stderr] Compiling indoc-impl v0.3.6 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Compiling inventory-impl v0.1.11 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling pyo3 v0.13.2 [INFO] [stderr] Checking flate2 v1.1.5 [INFO] [stderr] Checking const-random v0.1.18 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking tempfile v3.24.0 [INFO] [stderr] Checking indoc v0.3.6 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Checking hashlink v0.7.0 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Checking serial_test v0.5.1 [INFO] [stderr] Compiling pyo3-macros v0.13.2 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Compiling logos-derive v0.11.5 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking fancy-regex v0.5.0 [INFO] [stderr] Checking logos v0.11.4 [INFO] [stderr] Checking ramhorns v0.10.2 [INFO] [stderr] Checking rusqlite v0.25.4 [INFO] [stderr] Checking genanki-rs v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (781) 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/lib.rs:476:5: 476:12 (#216), segments: [PathSegment { ident: #216, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(893), style: Outer, span: src/lib.rs:476:5: 476:12 (#216) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x70f8e8c2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x70f8e920fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x70f8e8c42226 - ::write_fmt [INFO] [stderr] 3: 0x70f8e8c01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x70f8e8c1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x70f8e7c0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x70f8e8c1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x70f8e8c01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x70f8e8bf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x70f8e8c0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x70f8e5838f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x70f8e9fe0110 - ::token_trees [INFO] [stderr] 12: 0x70f8ea81c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x70f8ea7e65d2 - ::expand_crate [INFO] [stderr] 14: 0x70f8e98f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x70f8ea407658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x70f8ea4073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x70f8ea4073a7 - >::call_once [INFO] [stderr] 18: 0x70f8ea3ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x70f8ea3ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x70f8ea57127b - , 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: 0x70f8ea45ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x70f8ea2eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x70f8ea2eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x70f8ea2ed138 - ::new::thread_start [INFO] [stderr] 25: 0x70f8e3e8aaa4 - [INFO] [stderr] 26: 0x70f8e3f17a64 - 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-2026-01-08T19_05_43-775.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 `genanki-rs` (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 genanki_rs --edition=2018 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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=17561b786f120fba -C extra-filename=-040b4564f8fd7da1 --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 fancy_regex=/opt/rustwide/target/debug/deps/libfancy_regex-5eb15bb4fc1202d2.rmeta --extern pyo3=/opt/rustwide/target/debug/deps/libpyo3-12b7429dd9d51f8c.rmeta --extern ramhorns=/opt/rustwide/target/debug/deps/libramhorns-4b0b12183d59da76.rmeta --extern rusqlite=/opt/rustwide/target/debug/deps/librusqlite-162e62f921dd9859.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-13178b0b252187ec.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-00109e5346a5257b.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-2f6fe54854efd4a4.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-67ecdd49ce711c51.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-6ec81fa0f4b2bb18.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-320704a02a0dc966.rmeta --extern zip=/opt/rustwide/target/debug/deps/libzip-577de0f006c8790d.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/libsqlite3-sys-4e18492bcb8218c7/out -L native=/opt/rustwide/target/debug/build/bzip2-sys-633968fd33432dfa/out/lib -L native=/usr/lib/x86_64-linux-gnu` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c6aeb955605edd66f9324554983821754e262da24743fadb1d3495563913d378", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6aeb955605edd66f9324554983821754e262da24743fadb1d3495563913d378", kill_on_drop: false }` [INFO] [stdout] c6aeb955605edd66f9324554983821754e262da24743fadb1d3495563913d378