[INFO] fetching crate multi-llm 1.0.0...
[INFO] checking multi-llm-1.0.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] extracting crate multi-llm 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate multi-llm 1.0.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate multi-llm 1.0.0
[INFO] tweaked toml for crates.io crate multi-llm 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi-llm 1.0.0 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 multi-llm 1.0.0 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] 95d41d162b2bdd4843d3aa1b57956fce7bbb211d428318631287a7b6dca429fc
[INFO] running `Command { std: "docker" "start" "-a" "95d41d162b2bdd4843d3aa1b57956fce7bbb211d428318631287a7b6dca429fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95d41d162b2bdd4843d3aa1b57956fce7bbb211d428318631287a7b6dca429fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d41d162b2bdd4843d3aa1b57956fce7bbb211d428318631287a7b6dca429fc", kill_on_drop: false }`
[INFO] [stdout] 95d41d162b2bdd4843d3aa1b57956fce7bbb211d428318631287a7b6dca429fc
[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] 4e1de66e56d653011486ab3b02c96e2b66ea37186ffedb6e7d4bfaf0e5033ede
[INFO] running `Command { std: "docker" "start" "-a" "4e1de66e56d653011486ab3b02c96e2b66ea37186ffedb6e7d4bfaf0e5033ede", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.47
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.28
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]     Checking rustls-pki-types v1.13.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking nonzero_ext v0.3.0
[INFO] [stderr]     Checking deadpool-runtime v0.1.4
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking fragile v2.0.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking fancy-regex v0.13.0
[INFO] [stderr]     Checking webpki-roots v1.0.4
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking tiktoken-rs v0.9.1
[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 openssl v0.10.75
[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 v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[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 serial_test_derive v3.2.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking rustls-webpki v0.103.8
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[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 serde v1.0.228
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking uuid v1.18.1
[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 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 idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[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 url v2.5.7
[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-tls v0.6.0
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[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' (1184) 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: <test_trace>#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:     0x71c31b82bfa3 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x71c31be0fb48 - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]    2:     0x71c31b842226 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x71c31b801b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x71c31b81f833 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]    5:     0x71c31a80236a - std[7d609349af90bec6]::panicking::update_hook::<alloc[d7482eb0f1d19161]::boxed::Box<rustc_driver_impl[3f9d6dd912ac34bd]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x71c31b81fb12 - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x71c31b801c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x71c31b7f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x71c31b80372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]   10:     0x71c318438f9c - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]   11:     0x71c31cbe0110 - <rustc_ast[333fca09df5738a4]::ast::Attribute>::token_trees
[INFO] [stderr]   12:     0x71c31d41c314 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::fully_expand_fragment
[INFO] [stderr]   13:     0x71c31d3e65d2 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::expand_crate
[INFO] [stderr]   14:     0x71c31c4f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand
[INFO] [stderr]   15:     0x71c31d007658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw
[INFO] [stderr]   16:     0x71c31d0073cd - 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:     0x71c31d0073a7 - <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:     0x71c31cfecb5f - 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:     0x71c31cfec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   20:     0x71c31d17127b - <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:     0x71c31d05ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   22:     0x71c31ceeac4e - 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:     0x71c31ceeaa20 - <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:     0x71c31ceed138 - <std[7d609349af90bec6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   25:     0x71c316a8aaa4 - <unknown>
[INFO] [stderr]   26:     0x71c316b17a64 - 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_44_15-1181.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" "4e1de66e56d653011486ab3b02c96e2b66ea37186ffedb6e7d4bfaf0e5033ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1de66e56d653011486ab3b02c96e2b66ea37186ffedb6e7d4bfaf0e5033ede", kill_on_drop: false }`
[INFO] [stdout] 4e1de66e56d653011486ab3b02c96e2b66ea37186ffedb6e7d4bfaf0e5033ede
