[INFO] fetching crate rsta 0.0.2... [INFO] testing rsta-0.0.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate rsta 0.0.2 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate rsta 0.0.2 [INFO] finished tweaking crates.io crate rsta 0.0.2 [INFO] tweaked toml for crates.io crate rsta 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rsta 0.0.2 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rsta 0.0.2 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nalgebra-macros v0.1.0 [INFO] [stderr] Downloaded simba v0.6.0 [INFO] [stderr] Downloaded wide v0.7.32 [INFO] [stderr] Downloaded nalgebra v0.29.0 [INFO] [stderr] Downloaded statrs v0.16.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec30d43389e9119cc4bd3c0a9149e074c15d9494e60c171feade22e2a7d27ce5 [INFO] running `Command { std: "docker" "start" "-a" "ec30d43389e9119cc4bd3c0a9149e074c15d9494e60c171feade22e2a7d27ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec30d43389e9119cc4bd3c0a9149e074c15d9494e60c171feade22e2a7d27ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec30d43389e9119cc4bd3c0a9149e074c15d9494e60c171feade22e2a7d27ce5", kill_on_drop: false }` [INFO] [stdout] ec30d43389e9119cc4bd3c0a9149e074c15d9494e60c171feade22e2a7d27ce5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38ce62ac6710af9b9b08fdf65b689a7bd53cd5c8f487cb4712d1801db2a483ca [INFO] running `Command { std: "docker" "start" "-a" "38ce62ac6710af9b9b08fdf65b689a7bd53cd5c8f487cb4712d1801db2a483ca", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.11 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Compiling matrixmultiply v0.3.9 [INFO] [stderr] Compiling bytemuck v1.22.0 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling safe_arch v0.7.4 [INFO] [stderr] Compiling wide v0.7.32 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling simba v0.6.0 [INFO] [stderr] Compiling ndarray v0.15.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling rand_distr v0.4.3 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling nalgebra v0.29.0 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (562) panicked at /rustc-dev/562dee4820c458d823175268e41601d4c060588a/compiler/rustc_infer/src/infer/relate/generalize.rs:294:44: [INFO] [stderr] called `Result::unwrap_err()` on an `Ok` value: base::array_storage::ArrayStorage, base::dimension::Const<1_usize>, ?21t>, ?0c, 1_usize> [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x78bdb238455b - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stderr] 1: 0x78bdb2a2e8c8 - core[fa0eadad68403074]::fmt::write [INFO] [stderr] 2: 0x78bdb239b566 - ::write_fmt [INFO] [stderr] 3: 0x78bdb235a568 - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x78bdb2377963 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stderr] 5: 0x78bdb1373dbc - std[31e582c13f4e914f]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x78bdb2377c42 - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stderr] 7: 0x78bdb235a628 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x78bdb234eb79 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x78bdb235c08d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stderr] 10: 0x78bdaf3aaf7c - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stderr] 11: 0x78bdaec2b312 - core[fa0eadad68403074]::result::unwrap_failed [INFO] [stderr] 12: 0x78bdb373904a - ::instantiate_ty_var::> [INFO] [stderr] 13: 0x78bdb373b149 - >::relate::> [INFO] [stderr] 14: 0x78bdb373bcad - > as rustc_type_ir[bdf822ca6a2ba2d7]::interner::CollectAndApply>>::collect_and_apply::>, core[fa0eadad68403074]::iter::adapters::copied::Copied>>, rustc_type_ir[bdf822ca6a2ba2d7]::relate::relate_args_invariantly>::{closure#0}>, ::mk_args_from_iter>, core[fa0eadad68403074]::iter::adapters::copied::Copied>>, rustc_type_ir[bdf822ca6a2ba2d7]::relate::relate_args_invariantly>::{closure#0}>, core[fa0eadad68403074]::result::Result>>::{closure#0}> [INFO] [stderr] 15: 0x78bdb373c40e - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 16: 0x78bdb373940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 17: 0x78bdb3738dbc - ::instantiate_ty_var::> [INFO] [stderr] 18: 0x78bdb3739498 - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 19: 0x78bdb373c713 - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 20: 0x78bdb373940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 21: 0x78bdb373b9b7 - > as rustc_type_ir[bdf822ca6a2ba2d7]::interner::CollectAndApply>>::collect_and_apply::>, core[fa0eadad68403074]::iter::adapters::copied::Copied>>, rustc_type_ir[bdf822ca6a2ba2d7]::relate::relate_args_invariantly>::{closure#0}>, ::mk_args_from_iter>, core[fa0eadad68403074]::iter::adapters::copied::Copied>>, rustc_type_ir[bdf822ca6a2ba2d7]::relate::relate_args_invariantly>::{closure#0}>, core[fa0eadad68403074]::result::Result>>::{closure#0}> [INFO] [stderr] 22: 0x78bdb2aa3bf2 - ::eq_trace::> [INFO] [stderr] 23: 0x78bdb347f194 - rustc_trait_selection[4094b86ae93e66fa]::traits::coherence::overlap [INFO] [stderr] 24: 0x78bdaea61287 - ::insert [INFO] [stderr] 25: 0x78bdb3adb571 - ::insert [INFO] [stderr] 26: 0x78bdb2a4a8b4 - rustc_trait_selection[4094b86ae93e66fa]::traits::specialize::specialization_graph_provider [INFO] [stderr] 27: 0x78bdb2a4e3cd - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 28: 0x78bdb2d45a54 - rustc_query_impl[787df1eb52488c09]::query_impl::specialization_graph_of::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 29: 0x78bdb2d49187 - rustc_hir_analysis[6f8e47aab4b5577f]::coherence::coherent_trait [INFO] [stderr] 30: 0x78bdb2d48e9d - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 31: 0x78bdb2f69cec - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 32: 0x78bdb2f68e40 - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 33: 0x78bdb30d4bee - rustc_hir_analysis[6f8e47aab4b5577f]::check::check::check_item_type [INFO] [stderr] 34: 0x78bdb30d30a6 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_well_formed [INFO] [stderr] 35: 0x78bdb30d3087 - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 36: 0x78bdb30d26a4 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::, rustc_middle[bc4b12ab5fd100e2]::dep_graph::graph::DepNodeIndex>, false> [INFO] [stderr] 37: 0x78bdb30d243b - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 38: 0x78bdb30cebb3 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_type_wf [INFO] [stderr] 39: 0x78bdb30ceaaf - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 40: 0x78bdb3c6dd50 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 41: 0x78bdb3c6db29 - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 42: 0x78bdb2f5e055 - rustc_hir_analysis[6f8e47aab4b5577f]::check_crate [INFO] [stderr] 43: 0x78bdb2b110da - rustc_interface[fa77fbe53284b165]::passes::analysis [INFO] [stderr] 44: 0x78bdb3c704c9 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 45: 0x78bdb3c70135 - rustc_query_impl[787df1eb52488c09]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 46: 0x78bdb3d32194 - rustc_interface[fa77fbe53284b165]::interface::run_compiler::<(), rustc_driver_impl[5d9f716931f6bd73]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 47: 0x78bdb3c43f3e - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 48: 0x78bdb3c447e0 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 49: 0x78bdb3c4566c - ::new::thread_start [INFO] [stderr] 50: 0x78bdad68aaa4 - [INFO] [stderr] 51: 0x78bdad717a64 - clone [INFO] [stderr] 52: 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/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.29.0/rustc-ice-2026-04-19T23_43_09-560.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.96.0-nightly (562dee482 2026-03-21) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -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 [specialization_graph_of] building specialization graph of trait `core::convert::From` [INFO] [stderr] #1 [coherent_trait] coherence checking all impls of trait `core::convert::From` [INFO] [stderr] #2 [check_well_formed] checking that `base::conversion::` is well-formed [INFO] [stderr] #3 [check_type_wf] checking that types are well-formed [INFO] [stderr] #4 [analysis] running analysis passes on crate `nalgebra` [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `nalgebra` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/562dee4820c458d823175268e41601d4c060588a/bin/rustc --crate-name nalgebra --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.29.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="macros"' --cfg 'feature="matrixmultiply"' --cfg 'feature="nalgebra-macros"' --cfg 'feature="rand"' --cfg 'feature="rand-no-std"' --cfg 'feature="rand-package"' --cfg 'feature="rand_distr"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("abomonation", "abomonation-serialize", "alga", "alloc", "arbitrary", "bytemuck", "compare", "convert-bytemuck", "convert-glam013", "convert-glam014", "convert-glam015", "convert-glam016", "convert-glam017", "convert-mint", "debug", "default", "glam013", "glam014", "glam015", "glam016", "glam017", "io", "libm", "libm-force", "macros", "matrixcompare-core", "matrixmultiply", "mint", "nalgebra-macros", "pest", "pest_derive", "proptest", "proptest-support", "quickcheck", "rand", "rand-no-std", "rand-package", "rand_distr", "rkyv", "rkyv-serialize", "rkyv-serialize-no-std", "serde", "serde-serialize", "serde-serialize-no-std", "slow-tests", "sparse", "std"))' -C metadata=0c55e63eed454c8f -C extra-filename=-597e33377fcfdb01 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-1a8da5529d64babf.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-7e61cc62d0ead8ac.rmeta --extern nalgebra_macros=/opt/rustwide/target/debug/deps/libnalgebra_macros-1a1a3c9744663792.so --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-547e32771a88663b.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-8a558d4ebe181420.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-4fad70d109d10065.rmeta --extern rand_package=/opt/rustwide/target/debug/deps/librand-9a716bc687172761.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-5877d7dc1e874d1b.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-01b2d58d2439c727.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-2d2373cb6e0ea7a0.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "38ce62ac6710af9b9b08fdf65b689a7bd53cd5c8f487cb4712d1801db2a483ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38ce62ac6710af9b9b08fdf65b689a7bd53cd5c8f487cb4712d1801db2a483ca", kill_on_drop: false }` [INFO] [stdout] 38ce62ac6710af9b9b08fdf65b689a7bd53cd5c8f487cb4712d1801db2a483ca