[INFO] fetching crate modbus-relay 2025.11.0...
[INFO] checking modbus-relay-2025.11.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] extracting crate modbus-relay 2025.11.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate modbus-relay 2025.11.0
[INFO] finished tweaking crates.io crate modbus-relay 2025.11.0
[INFO] tweaked toml for crates.io crate modbus-relay 2025.11.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-relay 2025.11.0 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 modbus-relay 2025.11.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 40bd1c43ce5771bc0e5a8073efdc6de1083dfa5db9d2a5b82ab5c32f20f91c46
[INFO] running `Command { std: "docker" "start" "-a" "40bd1c43ce5771bc0e5a8073efdc6de1083dfa5db9d2a5b82ab5c32f20f91c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40bd1c43ce5771bc0e5a8073efdc6de1083dfa5db9d2a5b82ab5c32f20f91c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bd1c43ce5771bc0e5a8073efdc6de1083dfa5db9d2a5b82ab5c32f20f91c46", kill_on_drop: false }`
[INFO] [stdout] 40bd1c43ce5771bc0e5a8073efdc6de1083dfa5db9d2a5b82ab5c32f20f91c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8a95cc0756c9e2f324dd53cb2ee0997d178027b86f4980420422acac8e5c2c17
[INFO] running `Command { std: "docker" "start" "-a" "8a95cc0756c9e2f324dd53cb2ee0997d178027b86f4980420422acac8e5c2c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking serde_spanned v1.0.3
[INFO] [stderr]     Checking toml_datetime v0.7.3
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking yaml-rust2 v0.10.4
[INFO] [stderr]     Checking sdd v3.0.10
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking serde-untagged v0.1.9
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]     Checking scc v2.4.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking toml_parser v1.0.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]     Checking toml v0.9.8
[INFO] [stderr]     Checking rust-ini v0.21.3
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking axum-core v0.5.5
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking unescaper v0.1.6
[INFO] [stderr]     Checking serialport v4.8.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking config v0.15.18
[INFO] [stderr]     Checking serial_test v3.2.0
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking axum v0.8.6
[INFO] [stderr]     Checking modbus-relay v2025.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (1217) 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/config/relay.rs:274:5: 274:12 (#97), segments: [PathSegment { ident: <test_trace>#97, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(443), style: Outer, span: src/config/relay.rs:274:5: 274:12 (#97) }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x70d85be2bfa3 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x70d85c40fb48 - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]    2:     0x70d85be42226 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x70d85be01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x70d85be1f833 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]    5:     0x70d85ae0236a - std[7d609349af90bec6]::panicking::update_hook::<alloc[d7482eb0f1d19161]::boxed::Box<rustc_driver_impl[3f9d6dd912ac34bd]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x70d85be1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x70d85be01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x70d85bdf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x70d85be0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]   10:     0x70d858a38f9c - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]   11:     0x70d85d1e0110 - <rustc_ast[333fca09df5738a4]::ast::Attribute>::token_trees
[INFO] [stderr]   12:     0x70d85da1c314 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::fully_expand_fragment
[INFO] [stderr]   13:     0x70d85d9e65d2 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::expand_crate
[INFO] [stderr]   14:     0x70d85caf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand
[INFO] [stderr]   15:     0x70d85d607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw
[INFO] [stderr]   16:     0x70d85d6073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2342951a64deba5]::query::erase::Erased<[u8; 16usize]>>
[INFO] [stderr]   17:     0x70d85d6073a7 - <rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(rustc_middle[2342951a64deba5]::ty::context::TyCtxt, ())>>::call_once
[INFO] [stderr]   18:     0x70d85d5ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::<rustc_query_impl[8c5349e00d64015e]::DynamicConfig<rustc_query_system[d45be4fb383a0235]::query::caches::SingleCache<rustc_middle[2342951a64deba5]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false>
[INFO] [stderr]   19:     0x70d85d5ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   20:     0x70d85d77127b - <rustc_interface[903e43df8d6bd657]::passes::create_and_enter_global_ctxt<core[75ca2badb63c4514]::option::Option<rustc_interface[903e43df8d6bd657]::queries::Linker>, 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<rustc_data_structures[c82a87ce5cdbfc92]::jobserver::Proxy>, &std[7d609349af90bec6]::sync::once_lock::OnceLock<rustc_middle[2342951a64deba5]::ty::context::GlobalCtxt>, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal<rustc_middle[2342951a64deba5]::arena::Arena>, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal<rustc_hir[cc727ec2ba6ebdb5]::Arena>, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0}
[INFO] [stderr]   21:     0x70d85d65ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   22:     0x70d85d4eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[903e43df8d6bd657]::util::run_in_thread_with_globals<rustc_interface[903e43df8d6bd657]::util::run_in_thread_pool_with_globals<rustc_interface[903e43df8d6bd657]::interface::run_compiler<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   23:     0x70d85d4eaa20 - <std[7d609349af90bec6]::thread::lifecycle::spawn_unchecked<rustc_interface[903e43df8d6bd657]::util::run_in_thread_with_globals<rustc_interface[903e43df8d6bd657]::util::run_in_thread_pool_with_globals<rustc_interface[903e43df8d6bd657]::interface::run_compiler<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   24:     0x70d85d4ed138 - <std[7d609349af90bec6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   25:     0x70d85708aaa4 - <unknown>
[INFO] [stderr]   26:     0x70d857117a64 - clone
[INFO] [stderr]   27:                0x0 - <unknown>
[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-2026-01-08T20_59_09-1214.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 `modbus-relay` (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 modbus_relay --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=a647d4f11c862e89 -C extra-filename=-c34b0a5fb6cf089d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern axum=/opt/rustwide/target/debug/deps/libaxum-fd1c93cfc519d439.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-66082fddb6101d55.rmeta --extern config=/opt/rustwide/target/debug/deps/libconfig-a5c7ff7dfe7bb4fd.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-41bd62f60c08e4d7.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-4852862d92867e36.rmeta --extern humantime_serde=/opt/rustwide/target/debug/deps/libhumantime_serde-342e429b2de9fc44.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-aafc9602a24f2372.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-bf2ca88e9c2e7201.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-9ffd768e51b90f47.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-38cfdca4e3c76404.rmeta --extern serialport=/opt/rustwide/target/debug/deps/libserialport-5984427576404131.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-42d6904714d1537a.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-dbf02f1598e00da7.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-c0a9b6d8c094b870.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-32b335d6fabb850e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-9039a6f0cdf851e9.rmeta --extern tower=/opt/rustwide/target/debug/deps/libtower-68d7ffcf5cb04d32.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-194532e5dd7ad485.rmeta --extern tracing_appender=/opt/rustwide/target/debug/deps/libtracing_appender-752af52afcba2f8f.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-af9100d7e5635ed4.rmeta --cap-lints=forbid -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" "8a95cc0756c9e2f324dd53cb2ee0997d178027b86f4980420422acac8e5c2c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a95cc0756c9e2f324dd53cb2ee0997d178027b86f4980420422acac8e5c2c17", kill_on_drop: false }`
[INFO] [stdout] 8a95cc0756c9e2f324dd53cb2ee0997d178027b86f4980420422acac8e5c2c17
