[INFO] cloning repository https://github.com/nikunj-taneja/rusty-tracer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikunj-taneja/rusty-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikunj-taneja%2Frusty-tracer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikunj-taneja%2Frusty-tracer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b270c797f7edf2130f996aea5dfaedbc57b325c6 [INFO] testing nikunj-taneja/rusty-tracer against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikunj-taneja%2Frusty-tracer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/nikunj-taneja/rusty-tracer [INFO] finished tweaking git repo https://github.com/nikunj-taneja/rusty-tracer [INFO] tweaked toml for git repo https://github.com/nikunj-taneja/rusty-tracer written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nikunj-taneja/rusty-tracer on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/nikunj-taneja/rusty-tracer 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memoffset v0.6.4 [INFO] [stderr] Downloaded typenum v1.13.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.4 [INFO] [stderr] Downloaded simba v0.4.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.4 [INFO] [stderr] Downloaded matrixmultiply v0.3.1 [INFO] [stderr] Downloaded nalgebra v0.26.2 [INFO] [stderr] Downloaded libc v0.2.95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1efb696512ac166b469214ca20efef8ce69d65dc471d6956e24a071e66ecacb [INFO] running `Command { std: "docker" "start" "-a" "e1efb696512ac166b469214ca20efef8ce69d65dc471d6956e24a071e66ecacb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1efb696512ac166b469214ca20efef8ce69d65dc471d6956e24a071e66ecacb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1efb696512ac166b469214ca20efef8ce69d65dc471d6956e24a071e66ecacb", kill_on_drop: false }` [INFO] [stdout] e1efb696512ac166b469214ca20efef8ce69d65dc471d6956e24a071e66ecacb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da33c50ef97f58d5e1a6cca9ed5114e082c218584246b7b3874ab2c6c35c8246 [INFO] running `Command { std: "docker" "start" "-a" "da33c50ef97f58d5e1a6cca9ed5114e082c218584246b7b3874ab2c6c35c8246", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling matrixmultiply v0.3.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling approx v0.4.0 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling simba v0.4.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling nalgebra v0.26.2 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (553) panicked at /rustc-dev/dec9417b8611e34e787a3e4c37686b5131f9e5c5/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: 0x7109e019535b - <::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7109e082f248 - core[6aaeda2c7ad07a48]::fmt::write [INFO] [stderr] 2: 0x7109e01ac366 - ::write_fmt [INFO] [stderr] 3: 0x7109e016b368 - std[e72de78501789eb0]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7109e0188763 - std[e72de78501789eb0]::panicking::default_hook [INFO] [stderr] 5: 0x7109df18566c - std[e72de78501789eb0]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7109e0188a42 - std[e72de78501789eb0]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7109e016b428 - std[e72de78501789eb0]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7109e0162159 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7109e016ce8d - __rustc[78a4cf188af856fc]::rust_begin_unwind [INFO] [stderr] 10: 0x7109dd226f9c - core[6aaeda2c7ad07a48]::panicking::panic_fmt [INFO] [stderr] 11: 0x7109dc9795e2 - core[6aaeda2c7ad07a48]::result::unwrap_failed [INFO] [stderr] 12: 0x7109e151af0a - ::instantiate_ty_var::> [INFO] [stderr] 13: 0x7109e151d009 - >::relate::> [INFO] [stderr] 14: 0x7109e151db6d - > as rustc_type_ir[20f22f7553888b21]::interner::CollectAndApply>>::collect_and_apply::>, core[6aaeda2c7ad07a48]::iter::adapters::copied::Copied>>, rustc_type_ir[20f22f7553888b21]::relate::relate_args_invariantly>::{closure#0}>, ::mk_args_from_iter>, core[6aaeda2c7ad07a48]::iter::adapters::copied::Copied>>, rustc_type_ir[20f22f7553888b21]::relate::relate_args_invariantly>::{closure#0}>, core[6aaeda2c7ad07a48]::result::Result>>::{closure#0}> [INFO] [stderr] 15: 0x7109e151e2ce - rustc_type_ir[20f22f7553888b21]::relate::structurally_relate_tys::> [INFO] [stderr] 16: 0x7109e151b2cb - as rustc_type_ir[20f22f7553888b21]::relate::TypeRelation>::tys [INFO] [stderr] 17: 0x7109e151ac7c - ::instantiate_ty_var::> [INFO] [stderr] 18: 0x7109e151b358 - as rustc_type_ir[20f22f7553888b21]::relate::TypeRelation>::tys [INFO] [stderr] 19: 0x7109e151e5d3 - rustc_type_ir[20f22f7553888b21]::relate::structurally_relate_tys::> [INFO] [stderr] 20: 0x7109e151b2cb - as rustc_type_ir[20f22f7553888b21]::relate::TypeRelation>::tys [INFO] [stderr] 21: 0x7109e151d877 - > as rustc_type_ir[20f22f7553888b21]::interner::CollectAndApply>>::collect_and_apply::>, core[6aaeda2c7ad07a48]::iter::adapters::copied::Copied>>, rustc_type_ir[20f22f7553888b21]::relate::relate_args_invariantly>::{closure#0}>, ::mk_args_from_iter>, core[6aaeda2c7ad07a48]::iter::adapters::copied::Copied>>, rustc_type_ir[20f22f7553888b21]::relate::relate_args_invariantly>::{closure#0}>, core[6aaeda2c7ad07a48]::result::Result>>::{closure#0}> [INFO] [stderr] 22: 0x7109e086d172 - ::eq_trace::> [INFO] [stderr] 23: 0x7109e123b754 - rustc_trait_selection[8cb020d34d4ddd]::traits::coherence::overlap [INFO] [stderr] 24: 0x7109dc864017 - ::insert [INFO] [stderr] 25: 0x7109e17a85b5 - ::insert [INFO] [stderr] 26: 0x7109e084b534 - rustc_trait_selection[8cb020d34d4ddd]::traits::specialize::specialization_graph_provider [INFO] [stderr] 27: 0x7109e084f04d - rustc_query_impl[187e90d83ba42732]::execution::try_execute_query::>, false> [INFO] [stderr] 28: 0x7109e09695a4 - rustc_query_impl[187e90d83ba42732]::query_impl::specialization_graph_of::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 29: 0x7109e096ccc7 - rustc_hir_analysis[9443468e5116f6d9]::coherence::coherent_trait [INFO] [stderr] 30: 0x7109e096c9df - rustc_query_impl[187e90d83ba42732]::query_impl::coherent_trait::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 31: 0x7109e0c931ec - rustc_query_impl[187e90d83ba42732]::execution::try_execute_query::>, false> [INFO] [stderr] 32: 0x7109e0c92340 - rustc_query_impl[187e90d83ba42732]::query_impl::coherent_trait::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 33: 0x7109e0ea522e - rustc_hir_analysis[9443468e5116f6d9]::check::check::check_item_type [INFO] [stderr] 34: 0x7109e0ea36e6 - rustc_hir_analysis[9443468e5116f6d9]::check::wfcheck::check_well_formed [INFO] [stderr] 35: 0x7109e0ea36c7 - rustc_query_impl[187e90d83ba42732]::query_impl::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 36: 0x7109e0ea2ce4 - rustc_query_impl[187e90d83ba42732]::execution::try_execute_query::, rustc_middle[ff930705cf6dddea]::dep_graph::graph::DepNodeIndex>, false> [INFO] [stderr] 37: 0x7109e0ea2a7b - rustc_query_impl[187e90d83ba42732]::query_impl::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 38: 0x7109e0e9f1f3 - rustc_hir_analysis[9443468e5116f6d9]::check::wfcheck::check_type_wf [INFO] [stderr] 39: 0x7109e0e9f0ef - rustc_query_impl[187e90d83ba42732]::query_impl::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 40: 0x7109e1a54850 - rustc_query_impl[187e90d83ba42732]::execution::try_execute_query::>, false> [INFO] [stderr] 41: 0x7109e1a54629 - rustc_query_impl[187e90d83ba42732]::query_impl::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 42: 0x7109e10e1f55 - rustc_hir_analysis[9443468e5116f6d9]::check_crate [INFO] [stderr] 43: 0x7109e08e46da - rustc_interface[8fb07a87386d2e99]::passes::analysis [INFO] [stderr] 44: 0x7109e1a56fc9 - rustc_query_impl[187e90d83ba42732]::execution::try_execute_query::>, false> [INFO] [stderr] 45: 0x7109e1a56c35 - rustc_query_impl[187e90d83ba42732]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 46: 0x7109e1b01414 - rustc_interface[8fb07a87386d2e99]::interface::run_compiler::<(), rustc_driver_impl[1568c1d64401f343]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 47: 0x7109e1a1e87e - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 48: 0x7109e1a1f120 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 49: 0x7109e1a1ffac - ::new::thread_start [INFO] [stderr] 50: 0x7109db48aaa4 - [INFO] [stderr] 51: 0x7109db517a64 - 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-0.26.2/rustc-ice-2026-03-31T10_59_43-551.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.96.0-nightly (dec9417b8 2026-03-22) 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); 30 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/dec9417b8611e34e787a3e4c37686b5131f9e5c5/bin/rustc --crate-name nalgebra --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.26.2/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="matrixmultiply"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("abomonation", "abomonation-serialize", "alga", "alloc", "arbitrary", "bytemuck", "compare", "convert-bytemuck", "convert-glam", "convert-glam-unchecked", "convert-mint", "debug", "default", "glam", "io", "libm", "libm-force", "matrixcompare-core", "matrixmultiply", "mint", "no_unsound_assume_init", "pest", "pest_derive", "proptest", "proptest-support", "quickcheck", "rand", "rand-no-std", "rand-package", "rand_distr", "serde", "serde-serialize", "serde-serialize-no-std", "slow-tests", "sparse", "std"))' -C metadata=4132e9835ede5d8e -C extra-filename=-2c690f7b4010d1dd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-fd595679e2898bb2.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-241c708864e3e48e.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-8b343944b42607bc.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-b33b46d60c5d63f6.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-07d583799889c5bc.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-03a4303c4070eccf.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-05d02da68d749e91.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "da33c50ef97f58d5e1a6cca9ed5114e082c218584246b7b3874ab2c6c35c8246", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da33c50ef97f58d5e1a6cca9ed5114e082c218584246b7b3874ab2c6c35c8246", kill_on_drop: false }` [INFO] [stdout] da33c50ef97f58d5e1a6cca9ed5114e082c218584246b7b3874ab2c6c35c8246