[INFO] fetching crate cotton-ssdp 0.1.0... [INFO] checking cotton-ssdp-0.1.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate cotton-ssdp 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate cotton-ssdp 0.1.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate cotton-ssdp 0.1.0 [INFO] tweaked toml for crates.io crate cotton-ssdp 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cotton-ssdp 0.1.0 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 cotton-ssdp 0.1.0 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] abf9f428b0f936adf74809108ecb64d5fe4a84e6be1eb7018e13c91aa06a1d5d [INFO] running `Command { std: "docker" "start" "-a" "abf9f428b0f936adf74809108ecb64d5fe4a84e6be1eb7018e13c91aa06a1d5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abf9f428b0f936adf74809108ecb64d5fe4a84e6be1eb7018e13c91aa06a1d5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abf9f428b0f936adf74809108ecb64d5fe4a84e6be1eb7018e13c91aa06a1d5d", kill_on_drop: false }` [INFO] [stdout] abf9f428b0f936adf74809108ecb64d5fe4a84e6be1eb7018e13c91aa06a1d5d [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] ea92cbf3ae9d96629409a99627e97fa1b8668f4200b5d2bf1f02c2809971041d [INFO] running `Command { std: "docker" "start" "-a" "ea92cbf3ae9d96629409a99627e97fa1b8668f4200b5d2bf1f02c2809971041d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling smoltcp v0.12.0 [INFO] [stderr] Checking sdd v3.0.5 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking managed v0.8.0 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking scc v2.3.0 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking socket2 v0.5.8 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking uuid v1.12.1 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Checking tokio v1.43.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking tokio-test v0.4.4 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Compiling neli-proc-macros v0.1.4 [INFO] [stderr] Checking neli v0.6.5 [INFO] [stderr] Checking cotton-netif v0.1.0 [INFO] [stderr] Checking cotton-ssdp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (841) 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: tests/service.rs:9:1: 9:8 (#6), segments: [PathSegment { ident: #6, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(14), style: Outer, span: tests/service.rs:9:1: 9:8 (#6) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x744e4542bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x744e45a0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x744e45442226 - ::write_fmt [INFO] [stderr] 3: 0x744e45401b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x744e4541f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x744e4440236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x744e4541fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x744e45401c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x744e453f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x744e4540372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x744e42038f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x744e467e0110 - ::token_trees [INFO] [stderr] 12: 0x744e4701c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x744e46fe65d2 - ::expand_crate [INFO] [stderr] 14: 0x744e460f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x744e46c07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x744e46c073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x744e46c073a7 - >::call_once [INFO] [stderr] 18: 0x744e46becb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x744e46bec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x744e46d7127b - , 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: 0x744e46c5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x744e46aeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x744e46aeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x744e46aed138 - ::new::thread_start [INFO] [stderr] 25: 0x744e40654aa4 - [INFO] [stderr] 26: 0x744e406e1a64 - 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-2026-01-08T18_02_22-827.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 `cotton-ssdp` (test "service") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name service --edition=2021 tests/service.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="async"' --cfg 'feature="default"' --cfg 'feature="smoltcp"' --cfg 'feature="std"' --cfg 'feature="sync"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("async", "default", "smoltcp", "std", "sync"))' -C metadata=9390933783022d84 -C extra-filename=-1b3b0fee59a52f58 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cotton_netif=/opt/rustwide/target/debug/deps/libcotton_netif-a84ee335ca1f7658.rmeta --extern cotton_ssdp=/opt/rustwide/target/debug/deps/libcotton_ssdp-bbed9535ab03b623.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-bdac87cf46c35c0a.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-884e130302889d95.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a129349dcefe6671.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-049a2f9336762609.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-f46bd265d2c593e1.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-bc8d1cca2e6a0ac0.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-0ad5c1a30e11b78a.rmeta --extern slotmap=/opt/rustwide/target/debug/deps/libslotmap-628e63d95b39e3a8.rmeta --extern smoltcp=/opt/rustwide/target/debug/deps/libsmoltcp-cb79a3b664fe4438.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-96fb590040cb6ea6.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-50fb8be53ccf6b68.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-1a776208fc5707f9.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-e8ba87fadf5a9611.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ea92cbf3ae9d96629409a99627e97fa1b8668f4200b5d2bf1f02c2809971041d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea92cbf3ae9d96629409a99627e97fa1b8668f4200b5d2bf1f02c2809971041d", kill_on_drop: false }` [INFO] [stdout] ea92cbf3ae9d96629409a99627e97fa1b8668f4200b5d2bf1f02c2809971041d