[INFO] fetching crate agentic_logging 0.1.1... [INFO] checking agentic_logging-0.1.1 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate agentic_logging 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate agentic_logging 0.1.1 [INFO] finished tweaking crates.io crate agentic_logging 0.1.1 [INFO] tweaked toml for crates.io crate agentic_logging 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate agentic_logging 0.1.1 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 agentic_logging 0.1.1 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-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] b5a2415ad99783ab81458a5bddbf564ee7efbb3fec49a7e097957b69e9b56458 [INFO] running `Command { std: "docker" "start" "-a" "b5a2415ad99783ab81458a5bddbf564ee7efbb3fec49a7e097957b69e9b56458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5a2415ad99783ab81458a5bddbf564ee7efbb3fec49a7e097957b69e9b56458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5a2415ad99783ab81458a5bddbf564ee7efbb3fec49a7e097957b69e9b56458", kill_on_drop: false }` [INFO] [stdout] b5a2415ad99783ab81458a5bddbf564ee7efbb3fec49a7e097957b69e9b56458 [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] 2743de14412073da94929c45024e5688830022a6375a9c548d7be8384fe57a26 [INFO] running `Command { std: "docker" "start" "-a" "2743de14412073da94929c45024e5688830022a6375a9c548d7be8384fe57a26", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Checking linux-raw-sys v0.11.0 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Checking iana-time-zone v0.1.64 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking getrandom v0.3.4 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Checking fd-lock v4.0.4 [INFO] [stderr] Checking atomicwrites v0.4.4 [INFO] [stderr] Checking uuid v1.18.1 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking agentic_logging v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (558) 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:235:5: 235:12 (#55), segments: [PathSegment { ident: #55, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(153), style: Outer, span: src/lib.rs:235:5: 235:12 (#55) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x75294202bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x75294260fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x752942042226 - ::write_fmt [INFO] [stderr] 3: 0x752942001b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x75294201f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x75294100236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x75294201fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x752942001c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x752941ff89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x75294200372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x75293ec38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7529433e0110 - ::token_trees [INFO] [stderr] 12: 0x752943c1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x752943be65d2 - ::expand_crate [INFO] [stderr] 14: 0x752942cf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x752943807658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7529438073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7529438073a7 - >::call_once [INFO] [stderr] 18: 0x7529437ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7529437ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x75294397127b - , 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: 0x75294385ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7529436eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7529436eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7529436ed138 - ::new::thread_start [INFO] [stderr] 25: 0x75293d28aaa4 - [INFO] [stderr] 26: 0x75293d317a64 - 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-2026-01-08T16_41_38-554.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 `agentic_logging` (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 agentic_logging --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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=2d37248debd74dee -C extra-filename=-30c367a6e429c58a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atomicwrites=/opt/rustwide/target/debug/deps/libatomicwrites-405f2a1ace99adab.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-dc97dc2f0005336f.rmeta --extern fd_lock=/opt/rustwide/target/debug/deps/libfd_lock-c1919ffc108e5ed0.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-00aaa73a0e1aa695.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-71f1edc9740367a9.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-b8daeba00bc48957.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-1c6810998cbb3375.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-a5744d293a3a2fa5.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-f42071cfc4cd7c43.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2743de14412073da94929c45024e5688830022a6375a9c548d7be8384fe57a26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2743de14412073da94929c45024e5688830022a6375a9c548d7be8384fe57a26", kill_on_drop: false }` [INFO] [stdout] 2743de14412073da94929c45024e5688830022a6375a9c548d7be8384fe57a26