[INFO] fetching crate build_id 0.2.1... [INFO] checking build_id-0.2.1 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate build_id 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate build_id 0.2.1 [INFO] finished tweaking crates.io crate build_id 0.2.1 [INFO] tweaked toml for crates.io crate build_id 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate build_id 0.2.1 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 55 packages to latest compatible versions [INFO] [stderr] Adding twox-hash v1.6.3 (available: v2.1.2) [INFO] [stderr] Adding uuid v0.8.2 (available: v1.19.0) [INFO] [stderr] Adding wasm-bindgen-test v0.2.50 (available: v0.3.56) [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-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] 6e5cf4b83606871913253aa4d7d1d4f70c27f2de7235a36278611f61f26019e2 [INFO] running `Command { std: "docker" "start" "-a" "6e5cf4b83606871913253aa4d7d1d4f70c27f2de7235a36278611f61f26019e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e5cf4b83606871913253aa4d7d1d4f70c27f2de7235a36278611f61f26019e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e5cf4b83606871913253aa4d7d1d4f70c27f2de7235a36278611f61f26019e2", kill_on_drop: false }` [INFO] [stdout] 6e5cf4b83606871913253aa4d7d1d4f70c27f2de7235a36278611f61f26019e2 [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] d6a5792184deeb7264dc9e2aac9b028eb99b02e4726cff8d999d107f1073ff1d [INFO] running `Command { std: "docker" "start" "-a" "d6a5792184deeb7264dc9e2aac9b028eb99b02e4726cff8d999d107f1073ff1d", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.106 [INFO] [stderr] Compiling bumpalo v3.19.1 [INFO] [stderr] Checking unicode-ident v1.0.22 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling generic-array v0.14.9 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Compiling wasm-bindgen v0.2.106 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling build_id v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking twox-hash v1.6.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.2.50 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.106 [INFO] [stderr] Checking palaver v0.2.8 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.106 [INFO] [stderr] Checking js-sys v0.3.83 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking wasm-bindgen-futures v0.3.27 [INFO] [stderr] Checking wasm-bindgen-test v0.2.50 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (517) 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:163:2: 163:9 (#8), segments: [PathSegment { ident: #8, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(76), style: Outer, span: src/lib.rs:163:2: 163:9 (#8) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x735b43e2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x735b4440fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x735b43e42226 - ::write_fmt [INFO] [stderr] 3: 0x735b43e01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x735b43e1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x735b42e0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x735b43e1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x735b43e01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x735b43df89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x735b43e0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x735b40a38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x735b451e0110 - ::token_trees [INFO] [stderr] 12: 0x735b45a1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x735b459e65d2 - ::expand_crate [INFO] [stderr] 14: 0x735b44af0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x735b45607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x735b456073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x735b456073a7 - >::call_once [INFO] [stderr] 18: 0x735b455ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x735b455ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x735b4577127b - , 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: 0x735b4565ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x735b454eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x735b454eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x735b454ed138 - ::new::thread_start [INFO] [stderr] 25: 0x735b3f08aaa4 - [INFO] [stderr] 26: 0x735b3f117a64 - 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-2026-01-08T17_29_46-515.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 `build_id` (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 build_id --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=53967b8cd20e7b1b -C extra-filename=-63f4309fc5c9be98 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-d92705dd1d5353b1.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-2ad934dc7da92e31.rmeta --extern palaver=/opt/rustwide/target/debug/deps/libpalaver-2159bfd87fa1226b.rmeta --extern twox_hash=/opt/rustwide/target/debug/deps/libtwox_hash-0805e5e14703e4fc.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-81c9650695178996.rmeta --extern wasm_bindgen_test=/opt/rustwide/target/debug/deps/libwasm_bindgen_test-6180d7274aab779a.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "d6a5792184deeb7264dc9e2aac9b028eb99b02e4726cff8d999d107f1073ff1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6a5792184deeb7264dc9e2aac9b028eb99b02e4726cff8d999d107f1073ff1d", kill_on_drop: false }` [INFO] [stdout] d6a5792184deeb7264dc9e2aac9b028eb99b02e4726cff8d999d107f1073ff1d