[INFO] fetching crate egobox-ego 0.34.2... [INFO] checking egobox-ego-0.34.2 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate egobox-ego 0.34.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate egobox-ego 0.34.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate egobox-ego 0.34.2 [INFO] tweaked toml for crates.io crate egobox-ego 0.34.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate egobox-ego 0.34.2 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 egobox-ego 0.34.2 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] [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] ee7052e5e1cf26b23479f56d5189a23f48004add0a82d704484cbce205343497 [INFO] running `Command { std: "docker" "start" "-a" "ee7052e5e1cf26b23479f56d5189a23f48004add0a82d704484cbce205343497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee7052e5e1cf26b23479f56d5189a23f48004add0a82d704484cbce205343497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee7052e5e1cf26b23479f56d5189a23f48004add0a82d704484cbce205343497", kill_on_drop: false }` [INFO] [stdout] ee7052e5e1cf26b23479f56d5189a23f48004add0a82d704484cbce205343497 [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] 3a083e1117710163b786aaf0336ab50d00dbc82f7312d67c45f318b71f150ec6 [INFO] running `Command { std: "docker" "start" "-a" "3a083e1117710163b786aaf0336ab50d00dbc82f7312d67c45f318b71f150ec6", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Compiling libc v0.2.178 [INFO] [stderr] Compiling zerocopy v0.8.31 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling linfa v0.8.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking noisy_float v0.2.0 [INFO] [stderr] Compiling pest v2.8.4 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking safe_arch v0.7.4 [INFO] [stderr] Compiling serde_json v1.0.146 [INFO] [stderr] Compiling zip v2.4.2 [INFO] [stderr] Compiling erased-serde v0.4.9 [INFO] [stderr] Checking zopfli v0.8.3 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Checking ryu v1.0.21 [INFO] [stderr] Checking itoa v1.0.16 [INFO] [stderr] Checking order-stat v0.1.3 [INFO] [stderr] Checking flate2 v1.1.5 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking clap_builder v4.5.53 [INFO] [stderr] Checking env_filter v0.1.4 [INFO] [stderr] Checking space v0.12.1 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking wide v0.7.33 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking env_logger v0.11.8 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Checking criterion-plot v0.6.0 [INFO] [stderr] Compiling pest_meta v2.8.4 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking argmin_testfunctions v0.3.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking getrandom v0.3.4 [INFO] [stderr] Checking cobyla v0.8.0 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking slsqp v0.1.2 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking simba v0.9.1 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling pest_generator v2.8.4 [INFO] [stderr] Checking ctrlc v3.5.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling zerocopy-derive v0.8.31 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling typetag-impl v0.2.21 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Compiling dyn-clonable-impl v0.9.2 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Compiling pest_derive v2.8.4 [INFO] [stderr] Checking dyn-clonable v0.9.2 [INFO] [stderr] Checking py_literal v0.4.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking kdtree v0.7.0 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking clap v4.5.53 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking half v2.7.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking ndarray v0.16.1 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking typetag v0.2.21 [INFO] [stderr] Checking bincode v2.0.1 [INFO] [stderr] Checking rand_xoshiro v0.7.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking nalgebra v0.33.2 [INFO] [stderr] Checking argmin-math v0.5.1 [INFO] [stderr] Checking argmin v0.11.0 [INFO] [stderr] Checking criterion v0.7.0 [INFO] [stderr] Checking sprs v0.11.4 [INFO] [stderr] Checking ndarray-stats v0.6.0 [INFO] [stderr] Checking ndarray-rand v0.15.0 [INFO] [stderr] Checking linfa-linalg v0.2.1 [INFO] [stderr] Checking ndarray-npy v0.9.1 [INFO] [stderr] Checking ndarray-einsum v0.8.0 [INFO] [stderr] Checking finitediff v0.2.0 [INFO] [stderr] Checking linfa-pls v0.8.0 [INFO] [stderr] Checking linfa-nn v0.8.0 [INFO] [stderr] Checking egobox-doe v0.34.2 [INFO] [stderr] Checking linfa-clustering v0.8.0 [INFO] [stderr] Checking egobox-gp v0.34.2 [INFO] [stderr] Checking statrs v0.18.0 [INFO] [stderr] Checking egobox-moe v0.34.2 [INFO] [stderr] Checking egobox-ego v0.34.2 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1154) 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/egor.rs:426:5: 426:12 (#422), segments: [PathSegment { ident: #422, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(2162), style: Outer, span: src/egor.rs:426:5: 426:12 (#422) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x73edf402bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x73edf460fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x73edf4042226 - ::write_fmt [INFO] [stderr] 3: 0x73edf4001b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x73edf401f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x73edf300236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x73edf401fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x73edf4001c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x73edf3ff89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x73edf400372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x73edf0c38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x73edf53e0110 - ::token_trees [INFO] [stderr] 12: 0x73edf5c1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x73edf5be65d2 - ::expand_crate [INFO] [stderr] 14: 0x73edf4cf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x73edf5807658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x73edf58073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x73edf58073a7 - >::call_once [INFO] [stderr] 18: 0x73edf57ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x73edf57ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x73edf597127b - , 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: 0x73edf585ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x73edf56eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x73edf56eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x73edf56ed138 - ::new::thread_start [INFO] [stderr] 25: 0x73edef28aaa4 - [INFO] [stderr] 26: 0x73edef317a64 - 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-2026-01-08T18_35_20-1150.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 `egobox-ego` (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 egobox_ego --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="persistent"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("blas", "default", "ndarray-linalg", "nlopt", "persistent"))' -C metadata=c4c3c494141668d9 -C extra-filename=-e422a68629f21e3a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-5cf73cd768c5f646.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-47411005e50c8fb9.rmeta --extern argmin=/opt/rustwide/target/debug/deps/libargmin-a33ad9b731bf9afa.rmeta --extern argmin_testfunctions=/opt/rustwide/target/debug/deps/libargmin_testfunctions-9b35fa847e0092de.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-88bdc5b4794fa30e.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-edc70efa9d4986b9.rmeta --extern cobyla=/opt/rustwide/target/debug/deps/libcobyla-0e373870e24fe075.rmeta --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-b8e21d8b8bb185bc.rmeta --extern dyn_clonable=/opt/rustwide/target/debug/deps/libdyn_clonable-39231350d4a2af7c.rmeta --extern egobox_doe=/opt/rustwide/target/debug/deps/libegobox_doe-4e81119dd97e6237.rmeta --extern egobox_gp=/opt/rustwide/target/debug/deps/libegobox_gp-2e9dc540b32a0672.rmeta --extern egobox_moe=/opt/rustwide/target/debug/deps/libegobox_moe-7ef087d012c59e02.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-4ca07b9ce57c0d88.rmeta --extern finitediff=/opt/rustwide/target/debug/deps/libfinitediff-7f6437fd6d2247e5.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-abf86e159bd3ea85.rmeta --extern linfa=/opt/rustwide/target/debug/deps/liblinfa-679f2812afec9798.rmeta --extern linfa_clustering=/opt/rustwide/target/debug/deps/liblinfa_clustering-c35081eb2e38c797.rmeta --extern linfa_linalg=/opt/rustwide/target/debug/deps/liblinfa_linalg-1b868d937b77b7d1.rmeta --extern linfa_pls=/opt/rustwide/target/debug/deps/liblinfa_pls-29cb328d65aa528f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-243a4081f8655140.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-da85b6217ea8538f.rmeta --extern ndarray_npy=/opt/rustwide/target/debug/deps/libndarray_npy-44a437f047e34e6a.rmeta --extern ndarray_rand=/opt/rustwide/target/debug/deps/libndarray_rand-454383da66b47237.rmeta --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-532f36e56fb3a915.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-c5e5e8a2bd161c29.so --extern rand_xoshiro=/opt/rustwide/target/debug/deps/librand_xoshiro-c5aacdbb551670b9.rmeta --extern rawpointer=/opt/rustwide/target/debug/deps/librawpointer-1161d966db9d7afd.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-38cde6a0c15806d5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-af04193638733af7.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3812ab673a632cfe.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-7eeefdb693551810.rmeta --extern slsqp=/opt/rustwide/target/debug/deps/libslsqp-e3572cba5be29696.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-a4ea6af2fec4199a.rmeta --extern typetag=/opt/rustwide/target/debug/deps/libtypetag-b5b076f6b5755bb2.rmeta --extern web_time=/opt/rustwide/target/debug/deps/libweb_time-bfcd0ef96c52737a.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3a083e1117710163b786aaf0336ab50d00dbc82f7312d67c45f318b71f150ec6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a083e1117710163b786aaf0336ab50d00dbc82f7312d67c45f318b71f150ec6", kill_on_drop: false }` [INFO] [stdout] 3a083e1117710163b786aaf0336ab50d00dbc82f7312d67c45f318b71f150ec6