[INFO] fetching crate c4-e5-chess 0.3.1... [INFO] checking c4-e5-chess-0.3.1 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate c4-e5-chess 0.3.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate c4-e5-chess 0.3.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate c4-e5-chess 0.3.1 [INFO] tweaked toml for crates.io crate c4-e5-chess 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate c4-e5-chess 0.3.1 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 c4-e5-chess 0.3.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f9d7212856ab9cebfa0273b1d56b5c34c02b98afb2efc610c68280752ce65ed5 [INFO] running `Command { std: "docker" "start" "-a" "f9d7212856ab9cebfa0273b1d56b5c34c02b98afb2efc610c68280752ce65ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9d7212856ab9cebfa0273b1d56b5c34c02b98afb2efc610c68280752ce65ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9d7212856ab9cebfa0273b1d56b5c34c02b98afb2efc610c68280752ce65ed5", kill_on_drop: false }` [INFO] [stdout] f9d7212856ab9cebfa0273b1d56b5c34c02b98afb2efc610c68280752ce65ed5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bb3184a442fc61e7948f8e6f9126d857ae0db1e202dc66d8c07526ecd3833efc [INFO] running `Command { std: "docker" "start" "-a" "bb3184a442fc61e7948f8e6f9126d857ae0db1e202dc66d8c07526ecd3833efc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling zerocopy v0.8.30 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Compiling cozy-chess-types v0.2.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking iana-time-zone v0.1.64 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking anstyle v1.0.13 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking foldhash v0.2.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking clap_lex v0.7.6 [INFO] [stderr] Checking lock_api v0.4.14 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling cozy-chess v0.3.4 [INFO] [stderr] Checking clap_builder v4.5.53 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking hashbrown v0.16.1 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Compiling dtor-proc-macro v0.0.6 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Compiling ctor-proc-macro v0.0.7 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking dtor v0.1.1 [INFO] [stderr] Checking ctor v0.6.1 [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking simple-logging v2.0.2 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking clap v4.5.53 [INFO] [stderr] Checking timer v0.2.0 [INFO] [stderr] Checking c4-e5-chess v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling test-case-core v3.3.1 [INFO] [stderr] Compiling zerocopy-derive v0.8.30 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Compiling test-case-macros v3.3.1 [INFO] [stderr] Checking test-case v3.3.1 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking half v2.7.1 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking criterion v0.7.0 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1095) 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/mate_positions.rs:24:1: 24:16 (#44), segments: [PathSegment { ident: #44, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(79), style: Outer, span: tests/mate_positions.rs:24:1: 24:16 (#44) } [INFO] [stderr] stack backtrace: [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1090) 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/eigenmann.rs:17:1: 17:16 (#147), segments: [PathSegment { ident: #147, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(1143), style: Outer, span: tests/eigenmann.rs:17:1: 17:16 (#147) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x74f23522bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x74f23580fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x74f235242226 - ::write_fmt [INFO] [stderr] 3: 0x74f235201b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x74f23521f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x74f23420236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x74f23521fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x74f235201c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x74f2351f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x74f23520372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x74f231e38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x74f2365e0110 - ::token_trees [INFO] [stderr] 12: 0x74f236e1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x74f236de65d2 - ::expand_crate [INFO] [stderr] 14: 0x74f235ef0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x74f236a07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x74f236a073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x74f236a073a7 - >::call_once [INFO] [stderr] 18: 0x74f2369ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x74f2369ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x74f236b7127b - , 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: 0x74f236a5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x74f2368eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x74f2368eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x74f2368ed138 - ::new::thread_start [INFO] [stderr] 25: 0x74f23048aaa4 - [INFO] [stderr] 26: 0x74f230517a64 - 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-2026-01-08T17_32_09-1084.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 `c4-e5-chess` (test "mate_positions") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name mate_positions --edition=2021 tests/mate_positions.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=e1ecc397c40e61c8 -C extra-filename=-78a90b01910b028e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern c4_e5_chess=/opt/rustwide/target/debug/deps/libc4_e5_chess-06a9eb44be0f77ec.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb7bbe7ccafe1cab.rmeta --extern cozy_chess=/opt/rustwide/target/debug/deps/libcozy_chess-7c29fdb75176a8d5.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f2dd2842c5f2c3dc.rmeta --extern ctor=/opt/rustwide/target/debug/deps/libctor-17fa4742884cd270.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-0351dbc9c736718e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2ccd9132e88a47c0.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-38cde6a0c15806d5.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-a6a59764b26f9bfd.rmeta --extern simple_logging=/opt/rustwide/target/debug/deps/libsimple_logging-9ba65672f27daaf4.rmeta --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-a41211b48c799fe7.rmeta --extern timer=/opt/rustwide/target/debug/deps/libtimer-49de30dd15ab0f2b.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] 0: 0x765691e2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x76569240fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x765691e42226 - ::write_fmt [INFO] [stderr] 3: 0x765691e01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x765691e1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x765690e0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x765691e1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x765691e01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x765691df89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x765691e0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x76568ea38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7656931e0110 - ::token_trees [INFO] [stderr] 12: 0x765693a1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7656939e65d2 - ::expand_crate [INFO] [stderr] 14: 0x765692af0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x765693607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7656936073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7656936073a7 - >::call_once [INFO] [stderr] 18: 0x7656935ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7656935ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x76569377127b - , 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: 0x76569365ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7656934eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7656934eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7656934ed138 - ::new::thread_start [INFO] [stderr] 25: 0x76568d08aaa4 - [INFO] [stderr] 26: 0x76568d117a64 - 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-2026-01-08T17_32_09-1086.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 `c4-e5-chess` (test "eigenmann") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name eigenmann --edition=2021 tests/eigenmann.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=c928007fb8366e3a -C extra-filename=-28751694aa107ae2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern c4_e5_chess=/opt/rustwide/target/debug/deps/libc4_e5_chess-06a9eb44be0f77ec.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb7bbe7ccafe1cab.rmeta --extern cozy_chess=/opt/rustwide/target/debug/deps/libcozy_chess-7c29fdb75176a8d5.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f2dd2842c5f2c3dc.rmeta --extern ctor=/opt/rustwide/target/debug/deps/libctor-17fa4742884cd270.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-0351dbc9c736718e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2ccd9132e88a47c0.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-38cde6a0c15806d5.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-a6a59764b26f9bfd.rmeta --extern simple_logging=/opt/rustwide/target/debug/deps/libsimple_logging-9ba65672f27daaf4.rmeta --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-a41211b48c799fe7.rmeta --extern timer=/opt/rustwide/target/debug/deps/libtimer-49de30dd15ab0f2b.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead [INFO] [stdout] --> benches/basic_benchmark.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use criterion::{black_box, criterion_group, criterion_main, Criterion}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead [INFO] [stdout] --> benches/basic_benchmark.rs:15:36 [INFO] [stdout] | [INFO] [stdout] 15 | b.iter(|| Simple::evaluate(black_box(&board))) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' (1108) panicked at /rustc-dev/66388cc165a6c4ac98c074dc9f0281ff23528c55/compiler/rustc_ast/src/attr/mod.rs:302:36: [INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead [INFO] [stdout] --> benches/basic_benchmark.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | b.iter(|| black_box(&board).get_legal_sorted(black_box(Some(mv)))) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] attribute is missing tokens: Attribute { kind: Normal(NormalAttr { item: AttrItem { unsafety: Default, path: Path { span: tests/positions.rs:23:1: 23:16 (#34), segments: [PathSegment { ident: #34, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(49), style: Outer, span: tests/positions.rs:23:1: 23:16 (#34) } [INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead [INFO] [stdout] --> benches/basic_benchmark.rs:24:54 [INFO] [stdout] | [INFO] [stdout] 24 | b.iter(|| black_box(&board).get_legal_sorted(black_box(Some(mv)))) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead [INFO] [stdout] --> benches/basic_benchmark.rs:31:49 [INFO] [stdout] | [INFO] [stdout] 31 | c.bench_function("find_move", |b| b.iter(|| black_box(&mut game).find_move())); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x70670be2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x70670c40fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x70670be42226 - ::write_fmt [INFO] [stderr] 3: 0x70670be01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x70670be1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x70670ae0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x70670be1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x70670be01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x70670bdf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x70670be0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x706708a38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x70670d1e0110 - ::token_trees [INFO] [stderr] 12: 0x70670da1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x70670d9e65d2 - ::expand_crate [INFO] [stderr] 14: 0x70670caf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x70670d607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x70670d6073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x70670d6073a7 - >::call_once [INFO] [stderr] 18: 0x70670d5ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x70670d5ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x70670d77127b - , 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: 0x70670d65ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x70670d4eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x70670d4eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x70670d4ed138 - ::new::thread_start [INFO] [stderr] 25: 0x70670708aaa4 - [INFO] [stderr] 26: 0x706707117a64 - 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-2026-01-08T17_32_09-1083.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 `c4-e5-chess` (test "positions") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name positions --edition=2021 tests/positions.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=28a0c87b0012d25d -C extra-filename=-26e4e984352914f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern c4_e5_chess=/opt/rustwide/target/debug/deps/libc4_e5_chess-06a9eb44be0f77ec.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb7bbe7ccafe1cab.rmeta --extern cozy_chess=/opt/rustwide/target/debug/deps/libcozy_chess-7c29fdb75176a8d5.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f2dd2842c5f2c3dc.rmeta --extern ctor=/opt/rustwide/target/debug/deps/libctor-17fa4742884cd270.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-0351dbc9c736718e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2ccd9132e88a47c0.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-38cde6a0c15806d5.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-a6a59764b26f9bfd.rmeta --extern simple_logging=/opt/rustwide/target/debug/deps/libsimple_logging-9ba65672f27daaf4.rmeta --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-a41211b48c799fe7.rmeta --extern timer=/opt/rustwide/target/debug/deps/libtimer-49de30dd15ab0f2b.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1104) 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/debug.rs:17:1: 17:16 (#40), segments: [PathSegment { ident: #40, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(68), style: Outer, span: tests/debug.rs:17:1: 17:16 (#40) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x770dea82bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x770deae0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x770dea842226 - ::write_fmt [INFO] [stderr] 3: 0x770dea801b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x770dea81f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x770de980236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x770dea81fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x770dea801c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x770dea7f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x770dea80372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x770de7438f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x770debbe0110 - ::token_trees [INFO] [stderr] 12: 0x770dec41c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x770dec3e65d2 - ::expand_crate [INFO] [stderr] 14: 0x770deb4f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x770dec007658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x770dec0073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x770dec0073a7 - >::call_once [INFO] [stderr] 18: 0x770debfecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x770debfec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x770dec17127b - , 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: 0x770dec05ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x770debeeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x770debeeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x770debeed138 - ::new::thread_start [INFO] [stderr] 25: 0x770de5a8aaa4 - [INFO] [stderr] 26: 0x770de5b17a64 - 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-2026-01-08T17_32_09-1082.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 `c4-e5-chess` (test "debug") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name debug --edition=2021 tests/debug.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=d91a2d1889286ae1 -C extra-filename=-de1d1df8635297f1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern c4_e5_chess=/opt/rustwide/target/debug/deps/libc4_e5_chess-06a9eb44be0f77ec.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb7bbe7ccafe1cab.rmeta --extern cozy_chess=/opt/rustwide/target/debug/deps/libcozy_chess-7c29fdb75176a8d5.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f2dd2842c5f2c3dc.rmeta --extern ctor=/opt/rustwide/target/debug/deps/libctor-17fa4742884cd270.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-0351dbc9c736718e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2ccd9132e88a47c0.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-38cde6a0c15806d5.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-a6a59764b26f9bfd.rmeta --extern simple_logging=/opt/rustwide/target/debug/deps/libsimple_logging-9ba65672f27daaf4.rmeta --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-a41211b48c799fe7.rmeta --extern timer=/opt/rustwide/target/debug/deps/libtimer-49de30dd15ab0f2b.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1097) 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/iq.rs:17:1: 17:16 (#218), segments: [PathSegment { ident: #218, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(1853), style: Outer, span: tests/iq.rs:17:1: 17:16 (#218) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x74fad6a2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x74fad700fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x74fad6a42226 - ::write_fmt [INFO] [stderr] 3: 0x74fad6a01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x74fad6a1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x74fad5a0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x74fad6a1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x74fad6a01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x74fad69f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x74fad6a0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x74fad3638f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x74fad7de0110 - ::token_trees [INFO] [stderr] 12: 0x74fad861c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x74fad85e65d2 - ::expand_crate [INFO] [stderr] 14: 0x74fad76f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x74fad8207658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x74fad82073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x74fad82073a7 - >::call_once [INFO] [stderr] 18: 0x74fad81ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x74fad81ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x74fad837127b - , 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: 0x74fad825ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x74fad80eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x74fad80eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x74fad80ed138 - ::new::thread_start [INFO] [stderr] 25: 0x74fad1c8aaa4 - [INFO] [stderr] 26: 0x74fad1d17a64 - 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-2026-01-08T17_32_09-1081.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 `c4-e5-chess` (test "iq") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name iq --edition=2021 tests/iq.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=2dd9cea083dcb58a -C extra-filename=-5a7fff474dfe8b41 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern c4_e5_chess=/opt/rustwide/target/debug/deps/libc4_e5_chess-06a9eb44be0f77ec.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cb7bbe7ccafe1cab.rmeta --extern cozy_chess=/opt/rustwide/target/debug/deps/libcozy_chess-7c29fdb75176a8d5.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-f2dd2842c5f2c3dc.rmeta --extern ctor=/opt/rustwide/target/debug/deps/libctor-17fa4742884cd270.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-0351dbc9c736718e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2ccd9132e88a47c0.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-38cde6a0c15806d5.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-a6a59764b26f9bfd.rmeta --extern simple_logging=/opt/rustwide/target/debug/deps/libsimple_logging-9ba65672f27daaf4.rmeta --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-a41211b48c799fe7.rmeta --extern timer=/opt/rustwide/target/debug/deps/libtimer-49de30dd15ab0f2b.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "bb3184a442fc61e7948f8e6f9126d857ae0db1e202dc66d8c07526ecd3833efc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb3184a442fc61e7948f8e6f9126d857ae0db1e202dc66d8c07526ecd3833efc", kill_on_drop: false }` [INFO] [stdout] bb3184a442fc61e7948f8e6f9126d857ae0db1e202dc66d8c07526ecd3833efc