[INFO] fetching crate midnight-zk-stdlib 1.0.0... [INFO] checking midnight-zk-stdlib-1.0.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate midnight-zk-stdlib 1.0.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate midnight-zk-stdlib 1.0.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate midnight-zk-stdlib 1.0.0 [INFO] tweaked toml for crates.io crate midnight-zk-stdlib 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate midnight-zk-stdlib 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 midnight-zk-stdlib 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] aa89f57d1c21f0273ee240bb3d946a3cc72c40d09b03abf9dcee0c58bdfd2efa [INFO] running `Command { std: "docker" "start" "-a" "aa89f57d1c21f0273ee240bb3d946a3cc72c40d09b03abf9dcee0c58bdfd2efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa89f57d1c21f0273ee240bb3d946a3cc72c40d09b03abf9dcee0c58bdfd2efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa89f57d1c21f0273ee240bb3d946a3cc72c40d09b03abf9dcee0c58bdfd2efa", kill_on_drop: false }` [INFO] [stdout] aa89f57d1c21f0273ee240bb3d946a3cc72c40d09b03abf9dcee0c58bdfd2efa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ee0620370eaf9b84764452b69326c223c39fa06ec402618ac0854413543ae6f0 [INFO] running `Command { std: "docker" "start" "-a" "ee0620370eaf9b84764452b69326c223c39fa06ec402618ac0854413543ae6f0", kill_on_drop: false }` [INFO] [stderr] Compiling zerocopy v0.8.31 [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.7 [INFO] [stderr] Compiling blst v0.3.16 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking tracing-core v0.1.36 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking byte-slice-cast v1.2.3 [INFO] [stderr] Checking blake2b_simd v1.0.3 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking sha2 v0.10.9 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Checking gimli v0.32.3 [INFO] [stderr] Compiling virtue v0.0.18 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Checking similar v2.7.0 [INFO] [stderr] Checking clap_builder v4.5.53 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Compiling bincode_derive v2.0.1 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling halo2derive v0.2.0 [INFO] [stderr] Checking ff v0.13.1 [INFO] [stderr] Checking getrandom v0.3.4 [INFO] [stderr] Checking console v0.15.11 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking rustc-demangle v0.1.26 [INFO] [stderr] Checking rustc-hash v2.1.1 [INFO] [stderr] Checking unty v0.0.4 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stderr] Checking bincode v2.0.1 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking clap v4.5.53 [INFO] [stderr] Checking addr2line v0.25.1 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Checking similar-asserts v1.7.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking blake2s_simd v1.0.3 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Checking mintex v0.1.4 [INFO] [stderr] Checking thousands v0.2.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking goldenfile v1.8.0 [INFO] [stderr] Checking sha3 v0.10.8 [INFO] [stderr] Checking itertools v0.14.0 [INFO] [stderr] Compiling zerocopy-derive v0.8.31 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking zeroize v1.8.2 [INFO] [stderr] Checking tracing v0.1.44 [INFO] [stderr] Checking backtrace v0.3.76 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking half v2.7.1 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking serde_arrays v0.2.0 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking dhat v0.3.3 [INFO] [stderr] Checking group v0.13.0 [INFO] [stderr] Checking pairing v0.23.0 [INFO] [stderr] Checking bellman v0.14.0 [INFO] [stderr] Checking criterion v0.7.0 [INFO] [stderr] Checking midnight-curves v0.2.0 [INFO] [stderr] Checking midnight-proofs v0.7.0 [INFO] [stderr] Checking sha3-circuit v0.1.0 [INFO] [stderr] Checking blake2b_halo2 v0.1.0 [INFO] [stderr] Checking midnight-circuits v6.0.0 [INFO] [stderr] Checking midnight-zk-stdlib v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (950) 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/serialization.rs:159:1: 159:8 (#17), segments: [PathSegment { ident: #17, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(25), style: Outer, span: tests/serialization.rs:159:1: 159:8 (#17) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x76b41f02bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x76b41f60fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x76b41f042226 - ::write_fmt [INFO] [stderr] 3: 0x76b41f001b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x76b41f01f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x76b41e00236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x76b41f01fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x76b41f001c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x76b41eff89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x76b41f00372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x76b41bc38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x76b4203e0110 - ::token_trees [INFO] [stderr] 12: 0x76b420c1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x76b420be65d2 - ::expand_crate [INFO] [stderr] 14: 0x76b41fcf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x76b420807658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x76b4208073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x76b4208073a7 - >::call_once [INFO] [stderr] 18: 0x76b4207ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x76b4207ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x76b42097127b - , 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: 0x76b42085ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x76b4206eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x76b4206eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x76b4206ed138 - ::new::thread_start [INFO] [stderr] 25: 0x76b41a28aaa4 - [INFO] [stderr] 26: 0x76b41a317a64 - 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-2026-01-08T20_34_24-941.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 `midnight-zk-stdlib` (test "serialization") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name serialization --edition=2021 tests/serialization.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", "heap_profiling", "serde", "testing", "truncated-challenges"))' -C metadata=10b5bc0510297a01 -C extra-filename=-b913069415eee87f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-751017f340c066d6.rmeta --extern bellman=/opt/rustwide/target/debug/deps/libbellman-eda9f78201e23c14.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-18a77a08812a68d0.rmeta --extern blake2b=/opt/rustwide/target/debug/deps/libblake2b_halo2-417b304e653823c7.rmeta --extern blake2b_simd=/opt/rustwide/target/debug/deps/libblake2b_simd-8832d8ec6097202d.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f1d73f2e9cc15f0c.rmeta --extern dhat=/opt/rustwide/target/debug/deps/libdhat-6b89e07ddfbd1c06.rmeta --extern ff=/opt/rustwide/target/debug/deps/libff-c60c709a6675de0d.rmeta --extern goldenfile=/opt/rustwide/target/debug/deps/libgoldenfile-f1ffb669322d17dc.rmeta --extern group=/opt/rustwide/target/debug/deps/libgroup-a6ad7c0ce22b9109.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-ac1cf5e414eca6f7.rmeta --extern midnight_circuits=/opt/rustwide/target/debug/deps/libmidnight_circuits-42617d82f62502e7.rmeta --extern midnight_curves=/opt/rustwide/target/debug/deps/libmidnight_curves-30ed0e1121bd5281.rmeta --extern midnight_proofs=/opt/rustwide/target/debug/deps/libmidnight_proofs-7b6a5de32efbb5fb.rmeta --extern midnight_zk_stdlib=/opt/rustwide/target/debug/deps/libmidnight_zk_stdlib-666e43978975f089.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-047ac37bdbc229a9.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3f20bdcfe3eb0a45.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-1136a8746d8e9ec4.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-d1f047e2b910d3cc.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-936e908ecaf7f7c0.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-2b48e4cce0279b2e.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-a0dd860e64b3e974.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-7dbf4166076d352d.rmeta --extern keccak_sha3=/opt/rustwide/target/debug/deps/libsha3_circuit-7035005e0c6f2393.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/blst-df56393dc47b160f/out` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ee0620370eaf9b84764452b69326c223c39fa06ec402618ac0854413543ae6f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee0620370eaf9b84764452b69326c223c39fa06ec402618ac0854413543ae6f0", kill_on_drop: false }` [INFO] [stdout] ee0620370eaf9b84764452b69326c223c39fa06ec402618ac0854413543ae6f0