[INFO] fetching crate precious-core 0.10.1... [INFO] checking precious-core-0.10.1 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate precious-core 0.10.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate precious-core 0.10.1 [INFO] finished tweaking crates.io crate precious-core 0.10.1 [INFO] tweaked toml for crates.io crate precious-core 0.10.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate precious-core 0.10.1 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] crate crates.io crate precious-core 0.10.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 892d993543d06c8504e82ba80993c31191d8222eec6a830da88b4f1e3fb57ac3 [INFO] running `Command { std: "docker" "start" "-a" "892d993543d06c8504e82ba80993c31191d8222eec6a830da88b4f1e3fb57ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "892d993543d06c8504e82ba80993c31191d8222eec6a830da88b4f1e3fb57ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "892d993543d06c8504e82ba80993c31191d8222eec6a830da88b4f1e3fb57ac3", kill_on_drop: false }` [INFO] [stdout] 892d993543d06c8504e82ba80993c31191d8222eec6a830da88b4f1e3fb57ac3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] da96796e3e7542e97029c615d96e0b41a7d775755b2f1e61957002c7c2ca2476 [INFO] running `Command { std: "docker" "start" "-a" "da96796e3e7542e97029c615d96e0b41a7d775755b2f1e61957002c7c2ca2476", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Checking home v0.5.12 [INFO] [stderr] Checking is-terminal v0.4.17 [INFO] [stderr] Checking bstr v1.12.0 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking indexmap v2.12.0 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking mitsein v0.8.0 [INFO] [stderr] Checking toml_datetime v0.7.3 [INFO] [stderr] Checking serde_spanned v1.0.3 [INFO] [stderr] Checking env_filter v0.1.4 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking env_logger v0.11.8 [INFO] [stderr] Checking comfy-table v7.2.1 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking toml v0.9.8 [INFO] [stderr] Checking fern v0.6.2 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking md5 v0.8.0 [INFO] [stderr] Checking clean-path v0.2.1 [INFO] [stderr] Checking filetime v0.2.26 [INFO] [stderr] Checking which v4.4.2 [INFO] [stderr] Checking terminal_size v0.4.3 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Checking clap_builder v4.5.50 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking globset v0.4.18 [INFO] [stderr] Checking ignore v0.4.24 [INFO] [stderr] Compiling darling_core v0.21.3 [INFO] [stderr] Compiling prettyplease v0.2.37 [INFO] [stderr] Compiling test-case-core v3.3.1 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Compiling test-case-macros v3.3.1 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking test-case v3.3.1 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking pushd v0.0.2 [INFO] [stderr] Checking clap v4.5.50 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Compiling darling_macro v0.21.3 [INFO] [stderr] Compiling darling v0.21.3 [INFO] [stderr] Compiling bon-macros v3.8.1 [INFO] [stderr] Checking bon v3.8.1 [INFO] [stderr] Checking precious-helpers v0.10.1 [INFO] [stderr] Checking precious-testhelper v0.10.1 [INFO] [stderr] Checking precious-core v0.10.1 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (610) 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/precious.rs:946:5: 946:12 (#308), segments: [PathSegment { ident: #308, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(558), style: Outer, span: src/precious.rs:946:5: 946:12 (#308) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x77afbc62bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x77afbcc0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x77afbc642226 - ::write_fmt [INFO] [stderr] 3: 0x77afbc601b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x77afbc61f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x77afbb60236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x77afbc61fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x77afbc601c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x77afbc5f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x77afbc60372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x77afb9238f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x77afbd9e0110 - ::token_trees [INFO] [stderr] 12: 0x77afbe21c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x77afbe1e65d2 - ::expand_crate [INFO] [stderr] 14: 0x77afbd2f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x77afbde07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x77afbde073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x77afbde073a7 - >::call_once [INFO] [stderr] 18: 0x77afbddecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x77afbddec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x77afbdf7127b - , 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: 0x77afbde5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x77afbdceac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x77afbdceaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x77afbdced138 - ::new::thread_start [INFO] [stderr] 25: 0x77afb788aaa4 - [INFO] [stderr] 26: 0x77afb7917a64 - 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_36_56-608.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 `precious-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 precious_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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=cd1da0a74493cc9e -C extra-filename=-42dc19285acefd89 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-941837c08196520a.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-cf9d58f07350024b.rmeta --extern clean_path=/opt/rustwide/target/debug/deps/libclean_path-1a9db3b20507c4fc.rmeta --extern comfy_table=/opt/rustwide/target/debug/deps/libcomfy_table-933bd0f198895901.rmeta --extern fern=/opt/rustwide/target/debug/deps/libfern-abab99dbd1f4b86f.rmeta --extern filetime=/opt/rustwide/target/debug/deps/libfiletime-cdb5711367f4ae18.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-72f754a4605f53e1.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-1daa559cebcdcd1e.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-578ec0aad06ca9ed.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-d1445fb67721d80a.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-cf0e6ed567d965cb.rmeta --extern mitsein=/opt/rustwide/target/debug/deps/libmitsein-e419f73db8ee4b3c.rmeta --extern pathdiff=/opt/rustwide/target/debug/deps/libpathdiff-77a535e5792cc081.rmeta --extern precious_helpers=/opt/rustwide/target/debug/deps/libprecious_helpers-71ab3c996b7c99c0.rmeta --extern precious_testhelper=/opt/rustwide/target/debug/deps/libprecious_testhelper-8aaa0f0c2670e5c0.rmeta --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-a21c3242f84402d4.rmeta --extern pushd=/opt/rustwide/target/debug/deps/libpushd-06efff1f0edba00d.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-de65db11b6b7692d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-248dc204bb1e1d2f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0f36ce407fc0226e.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-b3b51d7928f6d2e8.rmeta --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-f478cfd3a205693a.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-943952fab411cb23.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-70974bcca4b3fd3d.rmeta --extern which=/opt/rustwide/target/debug/deps/libwhich-a99476ce12e4aa8d.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "da96796e3e7542e97029c615d96e0b41a7d775755b2f1e61957002c7c2ca2476", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da96796e3e7542e97029c615d96e0b41a7d775755b2f1e61957002c7c2ca2476", kill_on_drop: false }` [INFO] [stdout] da96796e3e7542e97029c615d96e0b41a7d775755b2f1e61957002c7c2ca2476