[INFO] fetching crate savage 0.2.0... [INFO] checking savage-0.2.0 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205 [INFO] extracting crate savage 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate savage 0.2.0 [INFO] finished tweaking crates.io crate savage 0.2.0 [INFO] tweaked toml for crates.io crate savage 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate savage 0.2.0 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate savage 0.2.0 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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08682a1dc5ac40cfbef79f1ff3f565b013c12ac7c0e6a012ee38c2c94a472fa6 [INFO] running `Command { std: "docker" "start" "-a" "08682a1dc5ac40cfbef79f1ff3f565b013c12ac7c0e6a012ee38c2c94a472fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08682a1dc5ac40cfbef79f1ff3f565b013c12ac7c0e6a012ee38c2c94a472fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08682a1dc5ac40cfbef79f1ff3f565b013c12ac7c0e6a012ee38c2c94a472fa6", kill_on_drop: false }` [INFO] [stdout] 08682a1dc5ac40cfbef79f1ff3f565b013c12ac7c0e6a012ee38c2c94a472fa6 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72eaf7d4080cef4cd90a6c5963c0420adfff799a2f34753402f59691d17691ba [INFO] running `Command { std: "docker" "start" "-a" "72eaf7d4080cef4cd90a6c5963c0420adfff799a2f34753402f59691d17691ba", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking bytemuck v1.8.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling io-lifetimes v0.5.3 [INFO] [stderr] Checking safe_arch v0.6.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling rustix v0.33.4 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking wide v0.7.4 [INFO] [stderr] Checking primal-bit v0.3.0 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking linux-raw-sys v0.0.42 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling const-random-macro v0.1.13 [INFO] [stderr] Checking primal-estimate v0.3.1 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking primal-sieve v0.3.2 [INFO] [stderr] Checking const-random v0.1.13 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking primal-check v0.3.1 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking primal v0.3.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking chumsky v0.8.0 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Checking simba v0.6.0 [INFO] [stderr] Checking fd-lock v3.0.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling darling_core v0.13.1 [INFO] [stderr] Checking rustyline v9.1.2 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling rustyline-derive v0.6.0 [INFO] [stderr] Compiling darling_macro v0.13.1 [INFO] [stderr] Compiling darling v0.13.1 [INFO] [stderr] Compiling savage_macros v0.1.0 [INFO] [stderr] Checking nalgebra v0.29.0 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (933) panicked at /rustc-dev/1463461488056994d1b84e8b752e7c11c7fae7aa/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: 0x7d583ab8329b - <::print::DisplayBacktrace as core[dce7ba9de88d7a1a]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7d583b22e1c8 - core[dce7ba9de88d7a1a]::fmt::write [INFO] [stderr] 2: 0x7d583ab9a2a6 - ::write_fmt [INFO] [stderr] 3: 0x7d583ab59368 - std[843dc0b1bda91b1f]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7d583ab76763 - std[843dc0b1bda91b1f]::panicking::default_hook [INFO] [stderr] 5: 0x7d5839b726cc - std[843dc0b1bda91b1f]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7d583ab76a42 - std[843dc0b1bda91b1f]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7d583ab59428 - std[843dc0b1bda91b1f]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7d583ab4d979 - std[843dc0b1bda91b1f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7d583ab5ae8d - __rustc[e785788a2a4cee43]::rust_begin_unwind [INFO] [stderr] 10: 0x7d5837bd484c - core[dce7ba9de88d7a1a]::panicking::panic_fmt [INFO] [stderr] 11: 0x7d583742a352 - core[dce7ba9de88d7a1a]::result::unwrap_failed [INFO] [stderr] 12: 0x7d583bf7558a - ::instantiate_ty_var::> [INFO] [stderr] 13: 0x7d583bf77689 - >::relate::> [INFO] [stderr] 14: 0x7d583bf781ed - > as rustc_type_ir[8fabab40a76babfd]::interner::CollectAndApply>>::collect_and_apply::>, core[dce7ba9de88d7a1a]::iter::adapters::copied::Copied>>, rustc_type_ir[8fabab40a76babfd]::relate::relate_args_invariantly>::{closure#0}>, ::mk_args_from_iter>, core[dce7ba9de88d7a1a]::iter::adapters::copied::Copied>>, rustc_type_ir[8fabab40a76babfd]::relate::relate_args_invariantly>::{closure#0}>, core[dce7ba9de88d7a1a]::result::Result>>::{closure#0}> [INFO] [stderr] 15: 0x7d583bf7894e - rustc_type_ir[8fabab40a76babfd]::relate::structurally_relate_tys::> [INFO] [stderr] 16: 0x7d583bf7594b - as rustc_type_ir[8fabab40a76babfd]::relate::TypeRelation>::tys [INFO] [stderr] 17: 0x7d583bf752fc - ::instantiate_ty_var::> [INFO] [stderr] 18: 0x7d583bf759d8 - as rustc_type_ir[8fabab40a76babfd]::relate::TypeRelation>::tys [INFO] [stderr] 19: 0x7d583bf78c53 - rustc_type_ir[8fabab40a76babfd]::relate::structurally_relate_tys::> [INFO] [stderr] 20: 0x7d583bf7594b - as rustc_type_ir[8fabab40a76babfd]::relate::TypeRelation>::tys [INFO] [stderr] 21: 0x7d583bf77ef7 - > as rustc_type_ir[8fabab40a76babfd]::interner::CollectAndApply>>::collect_and_apply::>, core[dce7ba9de88d7a1a]::iter::adapters::copied::Copied>>, rustc_type_ir[8fabab40a76babfd]::relate::relate_args_invariantly>::{closure#0}>, ::mk_args_from_iter>, core[dce7ba9de88d7a1a]::iter::adapters::copied::Copied>>, rustc_type_ir[8fabab40a76babfd]::relate::relate_args_invariantly>::{closure#0}>, core[dce7ba9de88d7a1a]::result::Result>>::{closure#0}> [INFO] [stderr] 22: 0x7d583b26c672 - ::eq_trace::> [INFO] [stderr] 23: 0x7d583bd1aad4 - rustc_trait_selection[cfd3ad7859c28c26]::traits::coherence::overlap [INFO] [stderr] 24: 0x7d5837260267 - ::insert [INFO] [stderr] 25: 0x7d583c1fe8f5 - ::insert [INFO] [stderr] 26: 0x7d583b24a9b8 - rustc_trait_selection[cfd3ad7859c28c26]::traits::specialize::specialization_graph_provider [INFO] [stderr] 27: 0x7d583b24e4cd - rustc_query_impl[1fc1e7360a113360]::execution::try_execute_query::>, false> [INFO] [stderr] 28: 0x7d583b5e640e - rustc_query_impl[1fc1e7360a113360]::query_impl::specialization_graph_of::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 29: 0x7d583b5e9b47 - rustc_hir_analysis[2f4c9b906a3986d9]::coherence::coherent_trait [INFO] [stderr] 30: 0x7d583b5e985d - rustc_query_impl[1fc1e7360a113360]::query_impl::coherent_trait::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 31: 0x7d583b61656c - rustc_query_impl[1fc1e7360a113360]::execution::try_execute_query::>, false> [INFO] [stderr] 32: 0x7d583b6156c0 - rustc_query_impl[1fc1e7360a113360]::query_impl::coherent_trait::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 33: 0x7d583b7b346e - rustc_hir_analysis[2f4c9b906a3986d9]::check::check::check_item_type [INFO] [stderr] 34: 0x7d583b7b1926 - rustc_hir_analysis[2f4c9b906a3986d9]::check::wfcheck::check_well_formed [INFO] [stderr] 35: 0x7d583b7b1907 - rustc_query_impl[1fc1e7360a113360]::query_impl::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 36: 0x7d583b7b0f24 - rustc_query_impl[1fc1e7360a113360]::execution::try_execute_query::, rustc_middle[5d9d7ac3bbddb1]::dep_graph::graph::DepNodeIndex>, false> [INFO] [stderr] 37: 0x7d583b7b0cbb - rustc_query_impl[1fc1e7360a113360]::query_impl::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 38: 0x7d583b7ad473 - rustc_hir_analysis[2f4c9b906a3986d9]::check::wfcheck::check_type_wf [INFO] [stderr] 39: 0x7d583b7ad36f - rustc_query_impl[1fc1e7360a113360]::query_impl::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 40: 0x7d583c484f10 - rustc_query_impl[1fc1e7360a113360]::execution::try_execute_query::>, false> [INFO] [stderr] 41: 0x7d583c484ce9 - rustc_query_impl[1fc1e7360a113360]::query_impl::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 42: 0x7d583baedf15 - rustc_hir_analysis[2f4c9b906a3986d9]::check_crate [INFO] [stderr] 43: 0x7d583b2e499a - rustc_interface[c96cb931c9593f25]::passes::analysis [INFO] [stderr] 44: 0x7d583c487689 - rustc_query_impl[1fc1e7360a113360]::execution::try_execute_query::>, false> [INFO] [stderr] 45: 0x7d583c4872f5 - rustc_query_impl[1fc1e7360a113360]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 46: 0x7d583c445e94 - rustc_interface[c96cb931c9593f25]::interface::run_compiler::<(), rustc_driver_impl[d313e8536c53b373]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 47: 0x7d583c4702be - std[843dc0b1bda91b1f]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 48: 0x7d583c470b60 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[dce7ba9de88d7a1a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 49: 0x7d583c4719ec - ::new::thread_start [INFO] [stderr] 50: 0x7d5835e8aaa4 - [INFO] [stderr] 51: 0x7d5835f17a64 - 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-2026-03-24T07_20_15-931.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.96.0-nightly (146346148 2026-03-23) 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/1463461488056994d1b84e8b752e7c11c7fae7aa/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 -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=10cf639ca8b00c9b -C extra-filename=-cbc5dad770d1cd11 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-4b1bfe56294c1c2e.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-aaf76580d382010f.rmeta --extern nalgebra_macros=/opt/rustwide/target/debug/deps/libnalgebra_macros-513ac35ff1d34727.so --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-43406ec426b4cd83.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-22c965882629ba81.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-7bba6652a5cb711b.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-ce7b5d013a75c3fb.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-54d716dbda7e40e6.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "72eaf7d4080cef4cd90a6c5963c0420adfff799a2f34753402f59691d17691ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72eaf7d4080cef4cd90a6c5963c0420adfff799a2f34753402f59691d17691ba", kill_on_drop: false }` [INFO] [stdout] 72eaf7d4080cef4cd90a6c5963c0420adfff799a2f34753402f59691d17691ba