[INFO] fetching crate qcd-sme 0.3.2... [INFO] checking qcd-sme-0.3.2 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate qcd-sme 0.3.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate qcd-sme 0.3.2 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate qcd-sme 0.3.2 [INFO] tweaked toml for crates.io crate qcd-sme 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate qcd-sme 0.3.2 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 qcd-sme 0.3.2 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] 2da791b6078783adf80a5056a06b8d2e757d836d4c4d7e2c1b24deaa79b9bbe9 [INFO] running `Command { std: "docker" "start" "-a" "2da791b6078783adf80a5056a06b8d2e757d836d4c4d7e2c1b24deaa79b9bbe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2da791b6078783adf80a5056a06b8d2e757d836d4c4d7e2c1b24deaa79b9bbe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2da791b6078783adf80a5056a06b8d2e757d836d4c4d7e2c1b24deaa79b9bbe9", kill_on_drop: false }` [INFO] [stdout] 2da791b6078783adf80a5056a06b8d2e757d836d4c4d7e2c1b24deaa79b9bbe9 [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] 20f20667c627768d82cbbc211671dc227ead164e907d6204421f9131dadf05b4 [INFO] running `Command { std: "docker" "start" "-a" "20f20667c627768d82cbbc211671dc227ead164e907d6204421f9131dadf05b4", kill_on_drop: false }` [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling serde v1.0.216 [INFO] [stderr] Compiling rustix v0.38.42 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling os_str_bytes v6.6.1 [INFO] [stderr] Compiling serde_json v1.0.134 [INFO] [stderr] Compiling pyo3-build-config v0.22.6 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling syn v2.0.91 [INFO] [stderr] Compiling textwrap v0.16.1 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling cbindgen v0.26.0 [INFO] [stderr] Checking crossbeam-channel v0.5.14 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling matrixmultiply v0.3.9 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking unindent v0.2.3 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Checking lambert_w v1.0.7 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking order-stat v0.1.3 [INFO] [stderr] Checking peroxide-num v0.1.4 [INFO] [stderr] Checking puruspe v0.3.0 [INFO] [stderr] Checking sdd v3.0.5 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking thread-tree v0.3.3 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking scc v2.2.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v3.2.25 [INFO] [stderr] Compiling pyo3-macros-backend v0.22.6 [INFO] [stderr] Compiling pyo3-ffi v0.22.6 [INFO] [stderr] Compiling pyo3 v0.22.6 [INFO] [stderr] Compiling tempfile v3.14.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling peroxide-ad v0.3.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.216 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Compiling pyo3-macros v0.22.6 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Checking peroxide v0.39.0 [INFO] [stderr] Compiling qcd-sme v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: qcd-sme@0.3.2: There's a known bug in the *_w_field_config functions: you still have to call qcd_sme::consts::set_number_of_colors(nc) for nc != 3 and nf != 0. This bug also makes the functions not thread-safe with respect to a change of nc. I will eventually fix this but I'm too busy right now. [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1159) 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/serial.rs:39:9: 39:16 (#14), segments: [PathSegment { ident: #14, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(20), style: Outer, span: tests/serial.rs:39:9: 39:16 (#14) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7aea09c2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7aea0a20fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7aea09c42226 - ::write_fmt [INFO] [stderr] 3: 0x7aea09c01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7aea09c1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7aea08c0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7aea09c1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7aea09c01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7aea09bf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7aea09c0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7aea06838f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7aea0afe0110 - ::token_trees [INFO] [stderr] 12: 0x7aea0b81c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7aea0b7e65d2 - ::expand_crate [INFO] [stderr] 14: 0x7aea0a8f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7aea0b407658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7aea0b4073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7aea0b4073a7 - >::call_once [INFO] [stderr] 18: 0x7aea0b3ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7aea0b3ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7aea0b57127b - , 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: 0x7aea0b45ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7aea0b2eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7aea0b2eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7aea0b2ed138 - ::new::thread_start [INFO] [stderr] 25: 0x7aea04e8aaa4 - [INFO] [stderr] 26: 0x7aea04f17a64 - 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-2026-01-08T21_44_52-1119.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] warning: qcd-sme@0.3.2: There's a known bug in the *_w_field_config functions: you still have to call qcd_sme::consts::set_number_of_colors(nc) for nc != 3 and nf != 0. This bug also makes the functions not thread-safe with respect to a change of nc. I will eventually fix this but I'm too busy right now. [INFO] [stderr] error: could not compile `qcd-sme` (test "serial") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name serial --edition=2021 tests/serial.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=8f6e940855377975 -C extra-filename=-84f79a9e8249c80e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-4284602a818eb5fd.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-d4037dc14b74bc55.rmeta --extern peroxide=/opt/rustwide/target/debug/deps/libperoxide-1f4438ce847b2cb3.rmeta --extern qcd_sme=/opt/rustwide/target/debug/deps/libqcd_sme-c75603c7a47b572c.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-405132c02dcbb02a.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-4ab60356fe25eecd.rmeta --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "20f20667c627768d82cbbc211671dc227ead164e907d6204421f9131dadf05b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20f20667c627768d82cbbc211671dc227ead164e907d6204421f9131dadf05b4", kill_on_drop: false }` [INFO] [stdout] 20f20667c627768d82cbbc211671dc227ead164e907d6204421f9131dadf05b4