[INFO] fetching crate gut 0.8.0... [INFO] testing gut-0.8.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate gut 0.8.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate gut 0.8.0 [INFO] finished tweaking crates.io crate gut 0.8.0 [INFO] tweaked toml for crates.io crate gut 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate gut 0.8.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 138 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.8.2) [INFO] [stderr] Adding meshx v0.1.3 (available: v0.7.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.10.0) [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 lz4_flex v0.7.5 [INFO] [stderr] Downloaded obj v0.10.2 [INFO] [stderr] Downloaded vtkio v0.6.3 [INFO] [stderr] Downloaded owning_ref v0.3.3 [INFO] [stderr] Downloaded reinterpret v0.2.1 [INFO] [stderr] Downloaded parking_lot_core v0.2.14 [INFO] [stderr] Downloaded xz2 v0.1.7 [INFO] [stderr] Downloaded chashmap v2.2.2 [INFO] [stderr] Downloaded parking_lot v0.4.8 [INFO] [stderr] Downloaded simba v0.6.0 [INFO] [stderr] Downloaded dync v0.5.7 [INFO] [stderr] Downloaded quick-xml v0.22.0 [INFO] [stderr] Downloaded dync-derive v0.4.0 [INFO] [stderr] Downloaded meshx v0.1.3 [INFO] [stderr] Downloaded flatk-derive v0.3.0 [INFO] [stderr] Downloaded meshx-derive v0.1.0 [INFO] [stderr] Downloaded nalgebra v0.29.0 [INFO] [stderr] Downloaded flatk v0.5.2 [INFO] [stderr] Downloaded lzma-sys v0.1.20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9fa77307c1cc18cb65c758a83241f62342503fdcdbaf9c4c89a4cd5e7590b012 [INFO] running `Command { std: "docker" "start" "-a" "9fa77307c1cc18cb65c758a83241f62342503fdcdbaf9c4c89a4cd5e7590b012", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fa77307c1cc18cb65c758a83241f62342503fdcdbaf9c4c89a4cd5e7590b012", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fa77307c1cc18cb65c758a83241f62342503fdcdbaf9c4c89a4cd5e7590b012", kill_on_drop: false }` [INFO] [stdout] 9fa77307c1cc18cb65c758a83241f62342503fdcdbaf9c4c89a4cd5e7590b012 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b041534c214a7a63e240cec238618553b834a0d86edac4adf3190d1ab7cb135f [INFO] running `Command { std: "docker" "start" "-a" "b041534c214a7a63e240cec238618553b834a0d86edac4adf3190d1ab7cb135f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.184 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling bytemuck v1.25.0 [INFO] [stderr] Compiling equivalent v1.0.2 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling hashbrown v0.17.0 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling cc v1.2.59 [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling unicode-segmentation v1.13.2 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling reinterpret v0.2.1 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling lz4_flex v0.7.5 [INFO] [stderr] Compiling downcast-rs v1.2.1 [INFO] [stderr] Compiling safe_arch v0.7.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Compiling obj v0.10.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling wide v0.7.33 [INFO] [stderr] Compiling indexmap v2.14.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling lzma-sys v0.1.20 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling xz2 v0.1.7 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling simba v0.6.0 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling dync-derive v0.4.0 [INFO] [stderr] Compiling meshx-derive v0.1.0 [INFO] [stderr] Compiling dync v0.5.7 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling flatk-derive v0.3.0 [INFO] [stderr] Compiling nalgebra v0.29.0 [INFO] [stderr] Compiling flatk v0.5.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (885) 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: 0x7a5d21b8455b - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7a5d2222e8c8 - core[fa0eadad68403074]::fmt::write [INFO] [stderr] 2: 0x7a5d21b9b566 - ::write_fmt [INFO] [stderr] 3: 0x7a5d21b5a568 - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7a5d21b77963 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stderr] 5: 0x7a5d20b73dbc - std[31e582c13f4e914f]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7a5d21b77c42 - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7a5d21b5a628 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7a5d21b4eb79 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7a5d21b5c08d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stderr] 10: 0x7a5d1ebaaf7c - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stderr] 11: 0x7a5d1e42b312 - core[fa0eadad68403074]::result::unwrap_failed [INFO] [stderr] 12: 0x7a5d22f3904a - ::instantiate_ty_var::> [INFO] [stderr] 13: 0x7a5d22f3b149 - >::relate::> [INFO] [stderr] 14: 0x7a5d22f3bcad - > 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: 0x7a5d22f3c40e - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 16: 0x7a5d22f3940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 17: 0x7a5d22f38dbc - ::instantiate_ty_var::> [INFO] [stderr] 18: 0x7a5d22f39498 - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 19: 0x7a5d22f3c713 - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 20: 0x7a5d22f3940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 21: 0x7a5d22f3b9b7 - > 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: 0x7a5d222a3bf2 - ::eq_trace::> [INFO] [stderr] 23: 0x7a5d22c7f194 - rustc_trait_selection[4094b86ae93e66fa]::traits::coherence::overlap [INFO] [stderr] 24: 0x7a5d1e261287 - ::insert [INFO] [stderr] 25: 0x7a5d232db571 - ::insert [INFO] [stderr] 26: 0x7a5d2224a8b4 - rustc_trait_selection[4094b86ae93e66fa]::traits::specialize::specialization_graph_provider [INFO] [stderr] 27: 0x7a5d2224e3cd - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 28: 0x7a5d22545a54 - rustc_query_impl[787df1eb52488c09]::query_impl::specialization_graph_of::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 29: 0x7a5d22549187 - rustc_hir_analysis[6f8e47aab4b5577f]::coherence::coherent_trait [INFO] [stderr] 30: 0x7a5d22548e9d - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 31: 0x7a5d22769cec - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 32: 0x7a5d22768e40 - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 33: 0x7a5d228d4bee - rustc_hir_analysis[6f8e47aab4b5577f]::check::check::check_item_type [INFO] [stderr] 34: 0x7a5d228d30a6 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_well_formed [INFO] [stderr] 35: 0x7a5d228d3087 - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 36: 0x7a5d228d26a4 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::, rustc_middle[bc4b12ab5fd100e2]::dep_graph::graph::DepNodeIndex>, false> [INFO] [stderr] 37: 0x7a5d228d243b - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 38: 0x7a5d228cebb3 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_type_wf [INFO] [stderr] 39: 0x7a5d228ceaaf - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 40: 0x7a5d2346dd50 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 41: 0x7a5d2346db29 - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 42: 0x7a5d2275e055 - rustc_hir_analysis[6f8e47aab4b5577f]::check_crate [INFO] [stderr] 43: 0x7a5d223110da - rustc_interface[fa77fbe53284b165]::passes::analysis [INFO] [stderr] 44: 0x7a5d234704c9 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 45: 0x7a5d23470135 - rustc_query_impl[787df1eb52488c09]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 46: 0x7a5d23532194 - rustc_interface[fa77fbe53284b165]::interface::run_compiler::<(), rustc_driver_impl[5d9f716931f6bd73]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 47: 0x7a5d23443f3e - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 48: 0x7a5d234447e0 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 49: 0x7a5d2344566c - ::new::thread_start [INFO] [stderr] 50: 0x7a5d1ce8aaa4 - [INFO] [stderr] 51: 0x7a5d1cf17a64 - 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-2026-04-10T08_01_00-881.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] Compiling quick-xml v0.22.0 [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="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=268f602d793ccceb -C extra-filename=-047d1d0596a67a20 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-a9f5566ddb66e88c.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-40cc0532eeebbfbd.rmeta --extern nalgebra_macros=/opt/rustwide/target/debug/deps/libnalgebra_macros-45089568046aadd3.so --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-f067a479d742db1d.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-58fe094da5a7c809.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-8434f84c7e6b85f7.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-ab84bf514d3a05ab.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-0e02f3386ab040bb.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b041534c214a7a63e240cec238618553b834a0d86edac4adf3190d1ab7cb135f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b041534c214a7a63e240cec238618553b834a0d86edac4adf3190d1ab7cb135f", kill_on_drop: false }` [INFO] [stdout] b041534c214a7a63e240cec238618553b834a0d86edac4adf3190d1ab7cb135f