[INFO] fetching crate flowrlib 0.95.0...
[INFO] checking flowrlib-0.95.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] extracting crate flowrlib 0.95.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate flowrlib 0.95.0
[INFO] finished tweaking crates.io crate flowrlib 0.95.0
[INFO] tweaked toml for crates.io crate flowrlib 0.95.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flowrlib 0.95.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 231 packages to latest compatible versions
[INFO] [stderr]       Adding flowcore v0.95.0 (available: v0.142.0)
[INFO] [stderr]       Adding multimap v0.8.3 (available: v0.10.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding serial_test v1.0.0 (available: v3.3.1)
[INFO] [stderr]       Adding simpath v2.3.0 (available: v2.5.0)
[INFO] [stderr]       Adding url v2.2.2 (available: v2.5.8)
[INFO] [stderr]       Adding wasmtime v6.0.2 (available: v40.0.1)
[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-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] 8f1fa7f27c219d38f426392e9a1ddeae4ea34fa8483a6fc965fd524bcf8940f9
[INFO] running `Command { std: "docker" "start" "-a" "8f1fa7f27c219d38f426392e9a1ddeae4ea34fa8483a6fc965fd524bcf8940f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1fa7f27c219d38f426392e9a1ddeae4ea34fa8483a6fc965fd524bcf8940f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1fa7f27c219d38f426392e9a1ddeae4ea34fa8483a6fc965fd524bcf8940f9", kill_on_drop: false }`
[INFO] [stdout] 8f1fa7f27c219d38f426392e9a1ddeae4ea34fa8483a6fc965fd524bcf8940f9
[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] accb906b4ca9ea18586202ecf675df92f08b9e226d715c661b28509a450a9bfb
[INFO] running `Command { std: "docker" "start" "-a" "accb906b4ca9ea18586202ecf675df92f08b9e226d715c661b28509a450a9bfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
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[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling autocfg v1.5.0
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
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[INFO] [stderr]    Compiling cranelift-isle v0.93.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.93.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
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[INFO] [stderr]    Compiling cranelift-codegen-meta v0.93.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling same-file v1.0.6
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[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]     Checking regalloc2 v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling version-compare v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bumpalo v3.19.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling cranelift-codegen v0.93.2
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wasmtime-jit-debug v6.0.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking wasmtime-asm-macros v6.0.2
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling curl-sys v0.4.84+curl-8.17.0
[INFO] [stderr]    Compiling wasmtime-runtime v6.0.2
[INFO] [stderr]     Checking memfd v0.6.5
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v6.0.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling wasmtime v6.0.2
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking portpicker v0.1.1
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling dircpy v0.3.19
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling zeromq-src v0.2.6+4.3.4
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]    Compiling serial_test_derive v1.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking serial_test v1.0.0
[INFO] [stderr]    Compiling ar_archive_writer v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling psm v0.1.28
[INFO] [stderr]     Checking cranelift-entity v0.93.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking cranelift-bforest v0.93.2
[INFO] [stderr]     Checking simpath v2.3.0
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking wasmparser v0.100.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking flowcore v0.95.0
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling system-deps v6.2.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking wasmtime-types v6.0.2
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]     Checking wasmtime-environ v6.0.2
[INFO] [stderr]     Checking wasmtime-jit v6.0.2
[INFO] [stderr]     Checking cranelift-frontend v0.93.2
[INFO] [stderr]     Checking cranelift-native v0.93.2
[INFO] [stderr]     Checking cranelift-wasm v0.93.2
[INFO] [stderr]     Checking wasmtime-cranelift v6.0.2
[INFO] [stderr]     Checking flowrlib v0.95.0 (/opt/rustwide/workdir)
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (4680) 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/dispatcher.rs:141:5: 141:12 (#178), segments: [PathSegment { ident: <test_trace>#178, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(650), style: Outer, span: src/dispatcher.rs:141:5: 141:12 (#178) }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x72538fe2bfa3 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x72539040fb48 - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]    2:     0x72538fe42226 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x72538fe01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x72538fe1f833 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]    5:     0x72538ee0236a - std[7d609349af90bec6]::panicking::update_hook::<alloc[d7482eb0f1d19161]::boxed::Box<rustc_driver_impl[3f9d6dd912ac34bd]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x72538fe1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x72538fe01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x72538fdf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x72538fe0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]   10:     0x72538ca38f9c - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]   11:     0x7253911e0110 - <rustc_ast[333fca09df5738a4]::ast::Attribute>::token_trees
[INFO] [stderr]   12:     0x725391a1c314 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::fully_expand_fragment
[INFO] [stderr]   13:     0x7253919e65d2 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::expand_crate
[INFO] [stderr]   14:     0x725390af0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand
[INFO] [stderr]   15:     0x725391607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw
[INFO] [stderr]   16:     0x7253916073cd - 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:     0x7253916073a7 - <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:     0x7253915ecb5f - 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:     0x7253915ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   20:     0x72539177127b - <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:     0x72539165ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   22:     0x7253914eac4e - 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:     0x7253914eaa20 - <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:     0x7253914ed138 - <std[7d609349af90bec6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   25:     0x72538b08aaa4 - <unknown>
[INFO] [stderr]   26:     0x72538b117a64 - 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-2026-01-08T18_58_31-4675.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 `flowrlib` (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 flowrlib --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("context", "debugger", "default", "metrics", "submission"))' -C metadata=886324eff177ca3f -C extra-filename=-0a967670dabc19b3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-be1f8e96b8cb8dea.rmeta --extern flowcore=/opt/rustwide/target/debug/deps/libflowcore-07a320b00cf6fe42.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-a469ce83c9b0fe3a.rmeta --extern multimap=/opt/rustwide/target/debug/deps/libmultimap-fa6a87d73c8bec16.rmeta --extern portpicker=/opt/rustwide/target/debug/deps/libportpicker-06af1d8507a5f5cb.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-404fd79cc46d2ab7.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b7068299b6e651db.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-5ef5725387fcae54.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a12b2d1bb306b1ad.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-c1747378be6b7cc2.rmeta --extern simpath=/opt/rustwide/target/debug/deps/libsimpath-619fab25cd59e63b.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-c8687f35b88489d0.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-5bb71b833b681dba.rmeta --extern wasmtime=/opt/rustwide/target/debug/deps/libwasmtime-d38be813d4019e7d.rmeta --extern zmq=/opt/rustwide/target/debug/deps/libzmq-aef95e117e8326b3.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/psm-0c0bafca64c44091/out -L native=/opt/rustwide/target/debug/build/wasmtime-runtime-d96ab359fa3b8394/out -L native=/opt/rustwide/target/debug/build/zmq-sys-ddac39bb4f7f661f/out/lib -L native=/opt/rustwide/target/debug/build/zmq-sys-ddac39bb4f7f661f/out/lib -L native=/usr/lib/x86_64-linux-gnu` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/errors.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | / error_chain! {
[INFO] [stdout]  7 | |     types {
[INFO] [stdout]  8 | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "accb906b4ca9ea18586202ecf675df92f08b9e226d715c661b28509a450a9bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accb906b4ca9ea18586202ecf675df92f08b9e226d715c661b28509a450a9bfb", kill_on_drop: false }`
[INFO] [stdout] accb906b4ca9ea18586202ecf675df92f08b9e226d715c661b28509a450a9bfb
