[INFO] cloning repository https://github.com/neodsp/audio-blocks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neodsp/audio-blocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneodsp%2Faudio-blocks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneodsp%2Faudio-blocks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7641e97875e73b61f996d626f77fa31a8d120c6d [INFO] checking neodsp/audio-blocks against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneodsp%2Faudio-blocks" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/neodsp/audio-blocks [INFO] finished tweaking git repo https://github.com/neodsp/audio-blocks [INFO] tweaked toml for git repo https://github.com/neodsp/audio-blocks written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/neodsp/audio-blocks 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/neodsp/audio-blocks 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bb877d6d6257b32ed35cf92042ad8e129bfd96518835f7ab73371de9c7b62135 [INFO] running `Command { std: "docker" "start" "-a" "bb877d6d6257b32ed35cf92042ad8e129bfd96518835f7ab73371de9c7b62135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb877d6d6257b32ed35cf92042ad8e129bfd96518835f7ab73371de9c7b62135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb877d6d6257b32ed35cf92042ad8e129bfd96518835f7ab73371de9c7b62135", kill_on_drop: false }` [INFO] [stdout] bb877d6d6257b32ed35cf92042ad8e129bfd96518835f7ab73371de9c7b62135 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4c5e58e47232acf7196d83f0b2c0b45c7c7a4f3ec7e718dea3b39ca47484fdd2 [INFO] running `Command { std: "docker" "start" "-a" "4c5e58e47232acf7196d83f0b2c0b45c7c7a4f3ec7e718dea3b39ca47484fdd2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Compiling linux-raw-sys v0.9.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Compiling rtsan-standalone v0.3.0 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking clap_builder v4.5.42 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking clap v4.5.42 [INFO] [stderr] Compiling tempfile v3.20.0 [INFO] [stderr] Compiling rtsan-standalone-sys v0.3.0 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling rtsan-standalone-macros v0.3.0 [INFO] [stderr] Checking audio-blocks v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.7.0 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (499) 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/interleaved/owned.rs:796:5: 796:12 (#288), segments: [PathSegment { ident: #288, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(1639), style: Outer, span: src/interleaved/owned.rs:796:5: 796:12 (#288) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7e33a542bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7e33a5a0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7e33a5442226 - ::write_fmt [INFO] [stderr] 3: 0x7e33a5401b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7e33a541f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7e33a440236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7e33a541fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7e33a5401c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7e33a53f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7e33a540372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7e33a2038f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7e33a67e0110 - ::token_trees [INFO] [stderr] 12: 0x7e33a701c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7e33a6fe65d2 - ::expand_crate [INFO] [stderr] 14: 0x7e33a60f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7e33a6c07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7e33a6c073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7e33a6c073a7 - >::call_once [INFO] [stderr] 18: 0x7e33a6becb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7e33a6bec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7e33a6d7127b - , 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: 0x7e33a6c5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7e33a6aeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7e33a6aeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7e33a6aed138 - ::new::thread_start [INFO] [stderr] 25: 0x7e33a068aaa4 - [INFO] [stderr] 26: 0x7e33a0717a64 - 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-2026-01-09T19_31_33-497.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 `audio-blocks` (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 audio_blocks --edition=2024 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"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "std"))' -C metadata=e64bb9189a26473d -C extra-filename=-831b9b8afbb23b79 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-6e72700f6df3394d.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-aa7b12bc4d32f3e4.rmeta --extern rtsan_standalone=/opt/rustwide/target/debug/deps/librtsan_standalone-fa5f16c8d3ad0f8b.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "4c5e58e47232acf7196d83f0b2c0b45c7c7a4f3ec7e718dea3b39ca47484fdd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c5e58e47232acf7196d83f0b2c0b45c7c7a4f3ec7e718dea3b39ca47484fdd2", kill_on_drop: false }` [INFO] [stdout] 4c5e58e47232acf7196d83f0b2c0b45c7c7a4f3ec7e718dea3b39ca47484fdd2