[INFO] fetching crate micro_swarm 0.2.0... [INFO] testing micro_swarm-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate micro_swarm 0.2.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate micro_swarm 0.2.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate micro_swarm 0.2.0 [INFO] tweaked toml for crates.io crate micro_swarm 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate micro_swarm 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] crate crates.io crate micro_swarm 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded psutil v3.3.0 [INFO] [stderr] Downloaded darwin-libproc v0.1.2 [INFO] [stderr] Downloaded unescape v0.1.0 [INFO] [stderr] Downloaded micro_routing v0.2.0 [INFO] [stderr] Downloaded simba v0.8.1 [INFO] [stderr] Downloaded darwin-libproc-sys v0.1.2 [INFO] [stderr] Downloaded serde_path_to_error v0.1.17 [INFO] [stderr] Downloaded micro_core v0.2.0 [INFO] [stderr] Downloaded micro_metrics v0.2.0 [INFO] [stderr] Downloaded half v2.6.0 [INFO] [stderr] Downloaded zerocopy-derive v0.8.26 [INFO] [stderr] Downloaded clap v4.5.42 [INFO] [stderr] Downloaded hyper-util v0.1.16 [INFO] [stderr] Downloaded serde_json v1.0.142 [INFO] [stderr] Downloaded platforms v2.0.0 [INFO] [stderr] Downloaded clap_builder v4.5.42 [INFO] [stderr] Downloaded nix v0.24.3 [INFO] [stderr] Downloaded zerocopy v0.8.26 [INFO] [stderr] Downloaded nalgebra v0.32.6 [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] cc941104069e807cbb069dc008799dea4523fbf772384cad57eb9ef81a074752 [INFO] running `Command { std: "docker" "start" "-a" "cc941104069e807cbb069dc008799dea4523fbf772384cad57eb9ef81a074752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc941104069e807cbb069dc008799dea4523fbf772384cad57eb9ef81a074752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc941104069e807cbb069dc008799dea4523fbf772384cad57eb9ef81a074752", kill_on_drop: false }` [INFO] [stdout] cc941104069e807cbb069dc008799dea4523fbf772384cad57eb9ef81a074752 [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] 4322a15c868e28a176f8177c735e7bb6dc6f3f9c0c51b90b0088214501c9e455 [INFO] running `Command { std: "docker" "start" "-a" "4322a15c868e28a176f8177c735e7bb6dc6f3f9c0c51b90b0088214501c9e455", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling http v1.3.1 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Compiling hash32 v0.3.1 [INFO] [stderr] Compiling httparse v1.10.1 [INFO] [stderr] Compiling tower-service v0.3.3 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling micro_core v0.2.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling platforms v2.0.0 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling tower-layer v0.3.3 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling sync_wrapper v1.0.2 [INFO] [stderr] Compiling httpdate v1.0.3 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling glob v0.3.2 [INFO] [stderr] Compiling mime v0.3.17 [INFO] [stderr] Compiling unescape v0.1.0 [INFO] [stderr] Compiling matchit v0.7.3 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling http-body v1.0.1 [INFO] [stderr] Compiling http-body-util v0.1.3 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling signal-hook-registry v1.4.5 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling nix v0.24.3 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling simba v0.8.1 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling sysinfo v0.30.13 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling async-trait v0.1.88 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling axum-core v0.4.5 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling psutil v3.3.0 [INFO] [stderr] Compiling nalgebra v0.32.6 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1171) 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: 0x754c08d8455b - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stderr] 1: 0x754c0942e8c8 - core[fa0eadad68403074]::fmt::write [INFO] [stderr] 2: 0x754c08d9b566 - ::write_fmt [INFO] [stderr] 3: 0x754c08d5a568 - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x754c08d77963 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stderr] 5: 0x754c07d73dbc - std[31e582c13f4e914f]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x754c08d77c42 - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stderr] 7: 0x754c08d5a628 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x754c08d4eb79 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x754c08d5c08d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stderr] 10: 0x754c05daaf7c - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stderr] 11: 0x754c0562b312 - core[fa0eadad68403074]::result::unwrap_failed [INFO] [stderr] 12: 0x754c0a13904a - ::instantiate_ty_var::> [INFO] [stderr] 13: 0x754c0a13b149 - >::relate::> [INFO] [stderr] 14: 0x754c0a13bcad - > 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: 0x754c0a13c40e - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 16: 0x754c0a13940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 17: 0x754c0a138dbc - ::instantiate_ty_var::> [INFO] [stderr] 18: 0x754c0a139498 - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 19: 0x754c0a13c713 - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 20: 0x754c0a13940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 21: 0x754c0a13b9b7 - > 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: 0x754c094a3bf2 - ::eq_trace::> [INFO] [stderr] 23: 0x754c09e7f194 - rustc_trait_selection[4094b86ae93e66fa]::traits::coherence::overlap [INFO] [stderr] 24: 0x754c05461287 - ::insert [INFO] [stderr] 25: 0x754c0a4db571 - ::insert [INFO] [stderr] 26: 0x754c0944a8b4 - rustc_trait_selection[4094b86ae93e66fa]::traits::specialize::specialization_graph_provider [INFO] [stderr] 27: 0x754c0944e3cd - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 28: 0x754c09745a54 - rustc_query_impl[787df1eb52488c09]::query_impl::specialization_graph_of::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 29: 0x754c09749187 - rustc_hir_analysis[6f8e47aab4b5577f]::coherence::coherent_trait [INFO] [stderr] 30: 0x754c09748e9d - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 31: 0x754c09969cec - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 32: 0x754c09968e40 - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 33: 0x754c09ad4bee - rustc_hir_analysis[6f8e47aab4b5577f]::check::check::check_item_type [INFO] [stderr] 34: 0x754c09ad30a6 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_well_formed [INFO] [stderr] 35: 0x754c09ad3087 - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 36: 0x754c09ad26a4 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::, rustc_middle[bc4b12ab5fd100e2]::dep_graph::graph::DepNodeIndex>, false> [INFO] [stderr] 37: 0x754c09ad243b - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 38: 0x754c09acebb3 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_type_wf [INFO] [stderr] 39: 0x754c09aceaaf - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 40: 0x754c0a66dd50 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 41: 0x754c0a66db29 - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 42: 0x754c0995e055 - rustc_hir_analysis[6f8e47aab4b5577f]::check_crate [INFO] [stderr] 43: 0x754c095110da - rustc_interface[fa77fbe53284b165]::passes::analysis [INFO] [stderr] 44: 0x754c0a6704c9 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 45: 0x754c0a670135 - rustc_query_impl[787df1eb52488c09]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 46: 0x754c0a732194 - rustc_interface[fa77fbe53284b165]::interface::run_compiler::<(), rustc_driver_impl[5d9f716931f6bd73]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 47: 0x754c0a643f3e - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 48: 0x754c0a6447e0 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 49: 0x754c0a64566c - ::new::thread_start [INFO] [stderr] 50: 0x754c0408aaa4 - [INFO] [stderr] 51: 0x754c04117a64 - 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-0.32.6/rustc-ice-2026-04-10T09_46_14-1169.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-0.32.6/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="libm"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alga", "alloc", "arbitrary", "bytemuck", "compare", "convert-bytemuck", "convert-glam014", "convert-glam015", "convert-glam016", "convert-glam017", "convert-glam018", "convert-glam019", "convert-glam020", "convert-glam021", "convert-glam022", "convert-glam023", "convert-glam024", "convert-glam025", "convert-glam027", "convert-mint", "cuda", "cust_core", "debug", "default", "glam014", "glam015", "glam016", "glam017", "glam018", "glam019", "glam020", "glam021", "glam022", "glam023", "glam024", "glam025", "glam027", "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", "rayon", "rkyv", "rkyv-safe-deser", "rkyv-serialize", "rkyv-serialize-no-std", "serde", "serde-serialize", "serde-serialize-no-std", "slow-tests", "sparse", "std"))' -C metadata=99709e7648d75332 -C extra-filename=-b93f51fe03081253 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-2864d8026238c72f.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-b3a17d2cafed1845.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-abfbe099e8b87303.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-0dd6075594b83297.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-522facc2cf107393.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-2d2373cb6e0ea7a0.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" "4322a15c868e28a176f8177c735e7bb6dc6f3f9c0c51b90b0088214501c9e455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4322a15c868e28a176f8177c735e7bb6dc6f3f9c0c51b90b0088214501c9e455", kill_on_drop: false }` [INFO] [stdout] 4322a15c868e28a176f8177c735e7bb6dc6f3f9c0c51b90b0088214501c9e455