[INFO] cloning repository https://github.com/darval/multi-llm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darval/multi-llm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarval%2Fmulti-llm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarval%2Fmulti-llm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c56ca4e8b56fbf60cc1bcc5ca8546bbde91d9d1 [INFO] checking darval/multi-llm against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarval%2Fmulti-llm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/darval/multi-llm [INFO] finished tweaking git repo https://github.com/darval/multi-llm [INFO] tweaked toml for git repo https://github.com/darval/multi-llm written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/darval/multi-llm 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 git repo https://github.com/darval/multi-llm 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9f302c0c19fe8d3c7eb53d0200afbdbd4aedcb4f9bde01d0cb977b12a0a2a98a [INFO] running `Command { std: "docker" "start" "-a" "9f302c0c19fe8d3c7eb53d0200afbdbd4aedcb4f9bde01d0cb977b12a0a2a98a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f302c0c19fe8d3c7eb53d0200afbdbd4aedcb4f9bde01d0cb977b12a0a2a98a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f302c0c19fe8d3c7eb53d0200afbdbd4aedcb4f9bde01d0cb977b12a0a2a98a", kill_on_drop: false }` [INFO] [stdout] 9f302c0c19fe8d3c7eb53d0200afbdbd4aedcb4f9bde01d0cb977b12a0a2a98a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4409f4472405c36bd706cff305073914afd0003875df6a0113641ec487b23fa5 [INFO] running `Command { std: "docker" "start" "-a" "4409f4472405c36bd706cff305073914afd0003875df6a0113641ec487b23fa5", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling cc v1.2.47 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking mio v1.1.0 [INFO] [stderr] Checking socket2 v0.6.1 [INFO] [stderr] Checking http v1.3.1 [INFO] [stderr] Checking foldhash v0.2.0 [INFO] [stderr] Compiling zerocopy v0.8.28 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Checking rustls-pki-types v1.13.0 [INFO] [stderr] Compiling openssl v0.10.75 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Compiling rustls v0.23.35 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Compiling portable-atomic v1.11.1 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking hashbrown v0.16.1 [INFO] [stderr] Checking raw-cpuid v11.6.0 [INFO] [stderr] Checking predicates-core v1.0.9 [INFO] [stderr] Compiling mockall_derive v0.13.1 [INFO] [stderr] Checking dashmap v6.1.0 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking spinning_top v0.3.0 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking deadpool-runtime v0.1.4 [INFO] [stderr] Checking nonzero_ext v0.3.0 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking termtree v0.5.1 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Checking webpki-roots v1.0.4 [INFO] [stderr] Checking downcast v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.12 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Checking indexmap v2.12.1 [INFO] [stderr] Checking http-body-util v0.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.111 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Checking quanta v0.12.6 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking fancy-regex v0.13.0 [INFO] [stderr] Checking bstr v1.12.1 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking tiktoken-rs v0.9.1 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.1 [INFO] [stderr] Compiling zerovec-derive v0.11.2 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [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 zerofrom v0.1.6 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking yoke v0.8.1 [INFO] [stderr] Checking zerovec v0.11.5 [INFO] [stderr] Checking zerotrie v0.2.3 [INFO] [stderr] Checking rustls-webpki v0.103.8 [INFO] [stderr] Checking tinystr v0.8.2 [INFO] [stderr] Checking potential_utf v0.1.4 [INFO] [stderr] Checking icu_collections v2.1.1 [INFO] [stderr] Checking icu_locale_core v2.1.1 [INFO] [stderr] Checking icu_provider v2.1.1 [INFO] [stderr] Checking mockall v0.13.1 [INFO] [stderr] Checking icu_normalizer v2.1.1 [INFO] [stderr] Checking icu_properties v2.1.1 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking uuid v1.18.1 [INFO] [stderr] Checking assert-json-diff v2.0.2 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking governor v0.10.2 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking tokio-util v0.7.17 [INFO] [stderr] Checking tokio-rustls v0.26.4 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking backoff v0.4.0 [INFO] [stderr] Checking deadpool v0.12.3 [INFO] [stderr] Checking h2 v0.4.12 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking hyper v1.8.1 [INFO] [stderr] Checking hyper-util v0.1.18 [INFO] [stderr] Checking hyper-rustls v0.27.7 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking wiremock v0.6.5 [INFO] [stderr] Checking reqwest v0.12.24 [INFO] [stderr] Checking multi-llm v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1441) 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/tests/config.rs:127:5: 127:12 (#4986), segments: [PathSegment { ident: #4986, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(5493), style: Outer, span: src/tests/config.rs:127:5: 127:12 (#4986) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x70a9ffe2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x70aa0040fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x70a9ffe42226 - ::write_fmt [INFO] [stderr] 3: 0x70a9ffe01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x70a9ffe1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x70a9fee0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x70a9ffe1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x70a9ffe01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x70a9ffdf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x70a9ffe0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x70a9fca38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x70aa011e0110 - ::token_trees [INFO] [stderr] 12: 0x70aa01a1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x70aa019e65d2 - ::expand_crate [INFO] [stderr] 14: 0x70aa00af0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x70aa01607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x70aa016073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x70aa016073a7 - >::call_once [INFO] [stderr] 18: 0x70aa015ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x70aa015ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x70aa0177127b - , 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: 0x70aa0165ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x70aa014eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x70aa014eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x70aa014ed138 - ::new::thread_start [INFO] [stderr] 25: 0x70a9fb08aaa4 - [INFO] [stderr] 26: 0x70a9fb117a64 - 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-2026-01-09T12_15_54-1437.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 `multi-llm` (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 multi_llm --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 --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "events"))' -C metadata=bbfbcfac050b15fb -C extra-filename=-2fe7ef36717f5d2c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-5cf73cd768c5f646.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-dd3298fd531f7db5.so --extern backoff=/opt/rustwide/target/debug/deps/libbackoff-b5ff290f43a0b23b.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-ea49ee7756a2a45b.rmeta --extern fastrand=/opt/rustwide/target/debug/deps/libfastrand-a6b04798eb47a00f.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-f364529f5ad09ec8.rmeta --extern governor=/opt/rustwide/target/debug/deps/libgovernor-73076391523d7296.rmeta --extern mockall=/opt/rustwide/target/debug/deps/libmockall-d04ae8e8eec020bb.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-2ad934dc7da92e31.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f333b2380fa2274a.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-896a057e74fb23b6.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0990962240ae4ddf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-71f1edc9740367a9.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-04bfddca768ef0c4.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d51d82ed10131560.rmeta --extern tiktoken_rs=/opt/rustwide/target/debug/deps/libtiktoken_rs-b309d6c22c3d7756.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1f06ff90958bd944.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-9f35c24f4ef67667.rmeta --extern tower=/opt/rustwide/target/debug/deps/libtower-2d8197dd68da6cf2.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-d36f37c3fc840816.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-c960d58a70df2e06.rmeta --extern wiremock=/opt/rustwide/target/debug/deps/libwiremock-cf8d4dcded632026.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/ring-c596c20d6376744c/out` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4409f4472405c36bd706cff305073914afd0003875df6a0113641ec487b23fa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4409f4472405c36bd706cff305073914afd0003875df6a0113641ec487b23fa5", kill_on_drop: false }` [INFO] [stdout] 4409f4472405c36bd706cff305073914afd0003875df6a0113641ec487b23fa5