[INFO] fetching crate savage_core 0.2.0... [INFO] testing savage_core-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate savage_core 0.2.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate savage_core 0.2.0 [INFO] finished tweaking crates.io crate savage_core 0.2.0 [INFO] tweaked toml for crates.io crate savage_core 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate savage_core 0.2.0 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] Locking 50 packages to latest compatible versions [INFO] [stderr] Adding chumsky v0.8.0 (available: v0.12.0) [INFO] [stderr] Adding nalgebra v0.29.0 (available: v0.34.2) [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 simba v0.6.0 [INFO] [stderr] Downloaded permutohedron v0.2.4 [INFO] [stderr] Downloaded nalgebra-macros v0.1.0 [INFO] [stderr] Downloaded primal-sieve v0.3.7 [INFO] [stderr] Downloaded chumsky v0.8.0 [INFO] [stderr] Downloaded primal-bit v0.3.2 [INFO] [stderr] Downloaded primal v0.3.3 [INFO] [stderr] Downloaded savage_macros v0.1.0 [INFO] [stderr] Downloaded hamming v0.1.3 [INFO] [stderr] Downloaded primal-estimate v0.3.3 [INFO] [stderr] Downloaded nalgebra v0.29.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f67e02db9cf195d14a13654c4a6f27953a0a93de6cd6d869b4a7280008b5545d [INFO] running `Command { std: "docker" "start" "-a" "f67e02db9cf195d14a13654c4a6f27953a0a93de6cd6d869b4a7280008b5545d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f67e02db9cf195d14a13654c4a6f27953a0a93de6cd6d869b4a7280008b5545d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f67e02db9cf195d14a13654c4a6f27953a0a93de6cd6d869b4a7280008b5545d", kill_on_drop: false }` [INFO] [stdout] f67e02db9cf195d14a13654c4a6f27953a0a93de6cd6d869b4a7280008b5545d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ea8dac02937b413ab26df9471d8bf79201f6e9a29c38e5edfa9b0f71a1f8d7a0 [INFO] running `Command { std: "docker" "start" "-a" "ea8dac02937b413ab26df9471d8bf79201f6e9a29c38e5edfa9b0f71a1f8d7a0", kill_on_drop: false }` [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling libc v0.2.184 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Compiling once_cell v1.21.4 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling hamming v0.1.3 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling primal-estimate v0.3.3 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling permutohedron v0.2.4 [INFO] [stderr] Compiling primal-bit v0.3.2 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling primal-check v0.3.4 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling primal-sieve v0.3.7 [INFO] [stderr] Compiling simba v0.6.0 [INFO] [stderr] Compiling primal v0.3.3 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling savage_macros v0.1.0 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling const-random v0.1.18 [INFO] [stderr] Compiling ahash v0.3.8 [INFO] [stderr] Compiling chumsky v0.8.0 [INFO] [stderr] Compiling nalgebra v0.29.0 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (421) 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: 0x77eaf458455b - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stderr] 1: 0x77eaf4c2e8c8 - core[fa0eadad68403074]::fmt::write [INFO] [stderr] 2: 0x77eaf459b566 - ::write_fmt [INFO] [stderr] 3: 0x77eaf455a568 - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x77eaf4577963 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stderr] 5: 0x77eaf3573dbc - std[31e582c13f4e914f]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x77eaf4577c42 - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stderr] 7: 0x77eaf455a628 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x77eaf454eb79 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x77eaf455c08d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stderr] 10: 0x77eaf15aaf7c - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stderr] 11: 0x77eaf0e2b312 - core[fa0eadad68403074]::result::unwrap_failed [INFO] [stderr] 12: 0x77eaf593904a - ::instantiate_ty_var::> [INFO] [stderr] 13: 0x77eaf593b149 - >::relate::> [INFO] [stderr] 14: 0x77eaf593bcad - > 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: 0x77eaf593c40e - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 16: 0x77eaf593940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 17: 0x77eaf5938dbc - ::instantiate_ty_var::> [INFO] [stderr] 18: 0x77eaf5939498 - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 19: 0x77eaf593c713 - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 20: 0x77eaf593940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 21: 0x77eaf593b9b7 - > 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: 0x77eaf4ca3bf2 - ::eq_trace::> [INFO] [stderr] 23: 0x77eaf567f194 - rustc_trait_selection[4094b86ae93e66fa]::traits::coherence::overlap [INFO] [stderr] 24: 0x77eaf0c61287 - ::insert [INFO] [stderr] 25: 0x77eaf5cdb571 - ::insert [INFO] [stderr] 26: 0x77eaf4c4a8b4 - rustc_trait_selection[4094b86ae93e66fa]::traits::specialize::specialization_graph_provider [INFO] [stderr] 27: 0x77eaf4c4e3cd - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 28: 0x77eaf4f45a54 - rustc_query_impl[787df1eb52488c09]::query_impl::specialization_graph_of::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 29: 0x77eaf4f49187 - rustc_hir_analysis[6f8e47aab4b5577f]::coherence::coherent_trait [INFO] [stderr] 30: 0x77eaf4f48e9d - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 31: 0x77eaf5169cec - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 32: 0x77eaf5168e40 - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 33: 0x77eaf52d4bee - rustc_hir_analysis[6f8e47aab4b5577f]::check::check::check_item_type [INFO] [stderr] 34: 0x77eaf52d30a6 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_well_formed [INFO] [stderr] 35: 0x77eaf52d3087 - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 36: 0x77eaf52d26a4 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::, rustc_middle[bc4b12ab5fd100e2]::dep_graph::graph::DepNodeIndex>, false> [INFO] [stderr] 37: 0x77eaf52d243b - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 38: 0x77eaf52cebb3 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_type_wf [INFO] [stderr] 39: 0x77eaf52ceaaf - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 40: 0x77eaf5e6dd50 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 41: 0x77eaf5e6db29 - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 42: 0x77eaf515e055 - rustc_hir_analysis[6f8e47aab4b5577f]::check_crate [INFO] [stderr] 43: 0x77eaf4d110da - rustc_interface[fa77fbe53284b165]::passes::analysis [INFO] [stderr] 44: 0x77eaf5e704c9 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 45: 0x77eaf5e70135 - rustc_query_impl[787df1eb52488c09]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 46: 0x77eaf5f32194 - rustc_interface[fa77fbe53284b165]::interface::run_compiler::<(), rustc_driver_impl[5d9f716931f6bd73]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 47: 0x77eaf5e43f3e - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 48: 0x77eaf5e447e0 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 49: 0x77eaf5e4566c - ::new::thread_start [INFO] [stderr] 50: 0x77eaef88aaa4 - [INFO] [stderr] 51: 0x77eaef917a64 - 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-2026-04-10T10_29_54-419.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="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=29f55fa1a3abff74 -C extra-filename=-0e5efd7694b165fa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-0ea5c4d75f3d6bd8.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-40cc0532eeebbfbd.rmeta --extern nalgebra_macros=/opt/rustwide/target/debug/deps/libnalgebra_macros-f9e14d08292ecd66.so --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-aa90cb6e37796fd6.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-287e4afac4b118f8.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-ca8a17926a2d9230.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-41659d3e161a9175.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-0e02f3386ab040bb.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "ea8dac02937b413ab26df9471d8bf79201f6e9a29c38e5edfa9b0f71a1f8d7a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea8dac02937b413ab26df9471d8bf79201f6e9a29c38e5edfa9b0f71a1f8d7a0", kill_on_drop: false }` [INFO] [stdout] ea8dac02937b413ab26df9471d8bf79201f6e9a29c38e5edfa9b0f71a1f8d7a0