[INFO] fetching crate refs 0.28.0... [INFO] checking refs-0.28.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate refs 0.28.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate refs 0.28.0 [INFO] finished tweaking crates.io crate refs 0.28.0 [INFO] tweaked toml for crates.io crate refs 0.28.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate refs 0.28.0 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] crate crates.io crate refs 0.28.0 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] 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] ce9e679abff25a9c967ba8d19c21d76faf77b380571655ccbc1fe72a5ccfcd1e [INFO] running `Command { std: "docker" "start" "-a" "ce9e679abff25a9c967ba8d19c21d76faf77b380571655ccbc1fe72a5ccfcd1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce9e679abff25a9c967ba8d19c21d76faf77b380571655ccbc1fe72a5ccfcd1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce9e679abff25a9c967ba8d19c21d76faf77b380571655ccbc1fe72a5ccfcd1e", kill_on_drop: false }` [INFO] [stdout] ce9e679abff25a9c967ba8d19c21d76faf77b380571655ccbc1fe72a5ccfcd1e [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] f840534eee67a817a3b0acfa02e66824091d77db5d900fe7dede062645325101 [INFO] running `Command { std: "docker" "start" "-a" "f840534eee67a817a3b0acfa02e66824091d77db5d900fe7dede062645325101", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.104 [INFO] [stderr] Compiling libc v0.2.179 [INFO] [stderr] Compiling rustix v1.1.3 [INFO] [stderr] Checking event-listener v5.4.1 [INFO] [stderr] Checking linux-raw-sys v0.11.0 [INFO] [stderr] Checking value-bag v1.12.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.106 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling plat v0.5.0 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking event-listener-strategy v0.5.4 [INFO] [stderr] Checking log v0.4.29 [INFO] [stderr] Compiling zmij v1.0.10 [INFO] [stderr] Compiling hreads v0.8.0 [INFO] [stderr] Checking async-channel v2.5.0 [INFO] [stderr] Checking async-lock v3.4.2 [INFO] [stderr] Checking blocking v1.6.2 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling serde_json v1.0.148 [INFO] [stderr] Checking pollster v0.4.0 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking errno v0.3.14 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Checking signal-hook-registry v1.4.8 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling syn v2.0.113 [INFO] [stderr] Checking socket2 v0.6.1 [INFO] [stderr] Checking mio v1.1.1 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking nu-ansi-term v0.50.3 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.106 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling derive_more-impl v2.1.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.56 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Checking polling v3.11.0 [INFO] [stderr] Checking async-io v2.6.0 [INFO] [stderr] Compiling serial_test_derive v3.3.1 [INFO] [stderr] Checking tokio v1.49.0 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.13.2 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking derive_more v2.1.1 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.106 [INFO] [stderr] Checking js-sys v0.3.83 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking serial_test v3.3.1 [INFO] [stderr] Checking refs v0.28.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking wasm-bindgen-futures v0.4.56 [INFO] [stderr] Checking wasm-bindgen-test v0.3.56 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (793) 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/into_own.rs:18:5: 18:12 (#43), segments: [PathSegment { ident: #43, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(140), style: Outer, span: src/into_own.rs:18:5: 18:12 (#43) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x701aa8e2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x701aa940fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x701aa8e42226 - ::write_fmt [INFO] [stderr] 3: 0x701aa8e01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x701aa8e1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x701aa7e0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x701aa8e1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x701aa8e01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x701aa8df89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x701aa8e0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x701aa5a38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x701aaa1e0110 - ::token_trees [INFO] [stderr] 12: 0x701aaaa1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x701aaa9e65d2 - ::expand_crate [INFO] [stderr] 14: 0x701aa9af0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x701aaa607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x701aaa6073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x701aaa6073a7 - >::call_once [INFO] [stderr] 18: 0x701aaa5ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x701aaa5ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x701aaa77127b - , 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: 0x701aaa65ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x701aaa4eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x701aaa4eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x701aaa4ed138 - ::new::thread_start [INFO] [stderr] 25: 0x701aa408aaa4 - [INFO] [stderr] 26: 0x701aa4117a64 - clone [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-01-08T22_00_48-791.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 `refs` (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 refs --edition=2024 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="checks"' --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("checks", "default", "stats"))' -C metadata=f7ab3c50218e467e -C extra-filename=-2735bdb017a038b1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-fdab4a38cb678063.rmeta --extern hreads=/opt/rustwide/target/debug/deps/libhreads-e6e385f3a7c59971.rmeta --extern instant=/opt/rustwide/target/debug/deps/libinstant-c74bf2c82aaeb162.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ad43afbbeb7fb192.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-54fc08dd4259e003.rmeta --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-a21c3242f84402d4.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-8ae9d4fa3f1b7a00.rmeta --extern wasm_bindgen_test=/opt/rustwide/target/debug/deps/libwasm_bindgen_test-0998daa97eec4d00.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "f840534eee67a817a3b0acfa02e66824091d77db5d900fe7dede062645325101", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f840534eee67a817a3b0acfa02e66824091d77db5d900fe7dede062645325101", kill_on_drop: false }` [INFO] [stdout] f840534eee67a817a3b0acfa02e66824091d77db5d900fe7dede062645325101