[INFO] fetching crate cryptix-ecc 0.1.0...
[INFO] checking cryptix-ecc-0.1.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate cryptix-ecc 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cryptix-ecc 0.1.0
[INFO] finished tweaking crates.io crate cryptix-ecc 0.1.0
[INFO] tweaked toml for crates.io crate cryptix-ecc 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cryptix-ecc 0.1.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d727c6e592ef2da7f99bbe1fb09f06d329d73e29b20821ce8d0d8d5d8f2a2dd
[INFO] running `Command { std: "docker" "start" "-a" "3d727c6e592ef2da7f99bbe1fb09f06d329d73e29b20821ce8d0d8d5d8f2a2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d727c6e592ef2da7f99bbe1fb09f06d329d73e29b20821ce8d0d8d5d8f2a2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d727c6e592ef2da7f99bbe1fb09f06d329d73e29b20821ce8d0d8d5d8f2a2dd", kill_on_drop: false }`
[INFO] [stdout] 3d727c6e592ef2da7f99bbe1fb09f06d329d73e29b20821ce8d0d8d5d8f2a2dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c2b771190cd61866f558a7e84efe2639140552d23ed0d49cb50ea0cdbdbee7
[INFO] running `Command { std: "docker" "start" "-a" "b0c2b771190cd61866f558a7e84efe2639140552d23ed0d49cb50ea0cdbdbee7", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking cryptix-bigint v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `const_slice_index`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cryptix-bigint-0.1.0/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_slice_index)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_bigint_helper_methods`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cryptix-bigint-0.1.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_bigint_helper_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: internal compiler error: compiler/rustc_const_eval/src/check_consts/qualifs.rs:359:13: expected ConstKind::Param or ConstKind::Value here, found UnevaluatedConst { def: DefId(0:289 ~ cryptix_bigint[7b19]::utils::{impl#2}::from_bytes::{constant#0}), args: [T/#0, LEN/#1] }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' panicked at compiler/rustc_const_eval/src/check_consts/qualifs.rs:359:13:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7a321c7cc8f3 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5ed0d80c0838d532
[INFO] [stderr]    1:     0x7a321d002bff - core::fmt::write::hb2c60dfec63532e6
[INFO] [stderr]    2:     0x7a321c7c2423 - std::io::Write::write_fmt::h7d885d72495c944f
[INFO] [stderr]    3:     0x7a321c7cc752 - std::sys::backtrace::BacktraceLock::print::h4bc25f9b1002918e
[INFO] [stderr]    4:     0x7a321c7d01f7 - std::panicking::default_hook::{{closure}}::h692acb67e5838edc
[INFO] [stderr]    5:     0x7a321c7cfd5b - std::panicking::default_hook::h6d7f5243a6b747a3
[INFO] [stderr]    6:     0x7a321b864433 - std[ac17177a8a99d71f]::panicking::update_hook::<alloc[c6d53e57eebf6338]::boxed::Box<rustc_driver_impl[4120aac06bf00502]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    7:     0x7a321c7d0a3e - std::panicking::rust_panic_with_hook::hb10a8b2fbcdc8429
[INFO] [stderr]    8:     0x7a321b89e0b1 - std[ac17177a8a99d71f]::panicking::begin_panic::<rustc_errors[251257d0cb077373]::ExplicitBug>::{closure#0}
[INFO] [stderr]    9:     0x7a321b892ee6 - std[ac17177a8a99d71f]::sys::backtrace::__rust_end_short_backtrace::<std[ac17177a8a99d71f]::panicking::begin_panic<rustc_errors[251257d0cb077373]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   10:     0x7a321b88f879 - std[ac17177a8a99d71f]::panicking::begin_panic::<rustc_errors[251257d0cb077373]::ExplicitBug>
[INFO] [stderr]   11:     0x7a321b8a7cb1 - <rustc_errors[251257d0cb077373]::diagnostic::BugAbort as rustc_errors[251257d0cb077373]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   12:     0x7a321beac11a - rustc_middle[690246bef0f316f]::util::bug::opt_span_bug_fmt::<rustc_span[510e53054b39a707]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x7a321be8c54a - rustc_middle[690246bef0f316f]::ty::context::tls::with_opt::<rustc_middle[690246bef0f316f]::util::bug::opt_span_bug_fmt<rustc_span[510e53054b39a707]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x7a321be8c3bb - rustc_middle[690246bef0f316f]::ty::context::tls::with_context_opt::<rustc_middle[690246bef0f316f]::ty::context::tls::with_opt<rustc_middle[690246bef0f316f]::util::bug::opt_span_bug_fmt<rustc_span[510e53054b39a707]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x7a3218ecdf60 - rustc_middle[690246bef0f316f]::util::bug::bug_fmt
[INFO] [stderr]   16:     0x7a321edc270c - rustc_const_eval[c8c06d62f6624ac5]::check_consts::qualifs::in_operand::<rustc_const_eval[c8c06d62f6624ac5]::check_consts::qualifs::HasMutInterior, <rustc_const_eval[c8c06d62f6624ac5]::check_consts::resolver::TransferFunction<rustc_const_eval[c8c06d62f6624ac5]::check_consts::qualifs::HasMutInterior> as rustc_middle[690246bef0f316f]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold
[INFO] [stderr]   17:     0x7a321dc8aba5 - <rustc_const_eval[c8c06d62f6624ac5]::check_consts::resolver::FlowSensitiveAnalysis<rustc_const_eval[c8c06d62f6624ac5]::check_consts::qualifs::HasMutInterior> as rustc_mir_dataflow[7db3a9685833d2da]::framework::Analysis>::apply_primary_statement_effect
[INFO] [stderr]   18:     0x7a321dc84d8f - <rustc_const_eval[c8c06d62f6624ac5]::check_consts::check::Qualifs>::has_mut_interior
[INFO] [stderr]   19:     0x7a321dc8486d - <rustc_const_eval[c8c06d62f6624ac5]::check_consts::check::Checker>::qualifs_in_return_place
[INFO] [stderr]   20:     0x7a321dc84121 - rustc_mir_transform[e265bd7454bf9ee9]::mir_const_qualif
[INFO] [stderr]   21:     0x7a321dc83fa5 - rustc_query_impl[333984efb41a89bf]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[333984efb41a89bf]::query_impl::mir_const_qualif::dynamic_query::{closure#2}::{closure#0}, rustc_middle[690246bef0f316f]::query::erase::Erased<[u8; 4usize]>>
[INFO] [stderr]   22:     0x7a321dc8340f - rustc_query_system[5f962c8b37133d2d]::query::plumbing::try_execute_query::<rustc_query_impl[333984efb41a89bf]::DynamicConfig<rustc_query_system[5f962c8b37133d2d]::query::caches::DefIdCache<rustc_middle[690246bef0f316f]::query::erase::Erased<[u8; 4usize]>>, false, false, false>, rustc_query_impl[333984efb41a89bf]::plumbing::QueryCtxt, false>
[INFO] [stderr]   23:     0x7a321dc83186 - rustc_query_impl[333984efb41a89bf]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   24:     0x7a321a476944 - rustc_mir_transform[e265bd7454bf9ee9]::mir_promoted
[INFO] [stderr]   25:     0x7a321d8a5d52 - rustc_query_impl[333984efb41a89bf]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[333984efb41a89bf]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[690246bef0f316f]::query::erase::Erased<[u8; 16usize]>>
[INFO] [stderr]   26:     0x7a321d8a5feb - rustc_query_system[5f962c8b37133d2d]::query::plumbing::try_execute_query::<rustc_query_impl[333984efb41a89bf]::DynamicConfig<rustc_data_structures[613ca75b3c3f5b37]::vec_cache::VecCache<rustc_span[510e53054b39a707]::def_id::LocalDefId, rustc_middle[690246bef0f316f]::query::erase::Erased<[u8; 16usize]>, rustc_query_system[5f962c8b37133d2d]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[333984efb41a89bf]::plumbing::QueryCtxt, false>
[INFO] [stderr]   27:     0x7a321d8a5c4c - rustc_query_impl[333984efb41a89bf]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   28:     0x7a321e230b24 - rustc_borrowck[e45b62eaf6d3e310]::mir_borrowck
[INFO] [stderr]   29:     0x7a321e2309d9 - rustc_query_impl[333984efb41a89bf]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[333984efb41a89bf]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[690246bef0f316f]::query::erase::Erased<[u8; 8usize]>>
[INFO] [stderr]   30:     0x7a321d5f6f2e - rustc_query_system[5f962c8b37133d2d]::query::plumbing::try_execute_query::<rustc_query_impl[333984efb41a89bf]::DynamicConfig<rustc_data_structures[613ca75b3c3f5b37]::vec_cache::VecCache<rustc_span[510e53054b39a707]::def_id::LocalDefId, rustc_middle[690246bef0f316f]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[5f962c8b37133d2d]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[333984efb41a89bf]::plumbing::QueryCtxt, false>
[INFO] [stderr]   31:     0x7a321d5f6749 - rustc_query_impl[333984efb41a89bf]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   32:     0x7a321d5f5542 - <rustc_middle[690246bef0f316f]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_interface[b45d98075bdde1b6]::passes::run_required_analyses::{closure#1}::{closure#0}>::{closure#0}
[INFO] [stderr]   33:     0x7a321d5f2fb5 - rustc_interface[b45d98075bdde1b6]::passes::analysis
[INFO] [stderr]   34:     0x7a321d5f2477 - rustc_query_impl[333984efb41a89bf]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[333984efb41a89bf]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[690246bef0f316f]::query::erase::Erased<[u8; 0usize]>>
[INFO] [stderr]   35:     0x7a321e0b587c - rustc_query_system[5f962c8b37133d2d]::query::plumbing::try_execute_query::<rustc_query_impl[333984efb41a89bf]::DynamicConfig<rustc_query_system[5f962c8b37133d2d]::query::caches::SingleCache<rustc_middle[690246bef0f316f]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[333984efb41a89bf]::plumbing::QueryCtxt, false>
[INFO] [stderr]   36:     0x7a321e0b5444 - rustc_query_impl[333984efb41a89bf]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   37:     0x7a321e31740b - rustc_interface[b45d98075bdde1b6]::passes::create_and_enter_global_ctxt::<core[ccf5ec2e6c9bafe7]::option::Option<rustc_interface[b45d98075bdde1b6]::queries::Linker>, rustc_driver_impl[4120aac06bf00502]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
[INFO] [stderr]   38:     0x7a321e304380 - rustc_interface[b45d98075bdde1b6]::interface::run_compiler::<(), rustc_driver_impl[4120aac06bf00502]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   39:     0x7a321e1d41b8 - std[ac17177a8a99d71f]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[b45d98075bdde1b6]::util::run_in_thread_with_globals<rustc_interface[b45d98075bdde1b6]::util::run_in_thread_pool_with_globals<rustc_interface[b45d98075bdde1b6]::interface::run_compiler<(), rustc_driver_impl[4120aac06bf00502]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   40:     0x7a321e1d3e96 - <<std[ac17177a8a99d71f]::thread::Builder>::spawn_unchecked_<rustc_interface[b45d98075bdde1b6]::util::run_in_thread_with_globals<rustc_interface[b45d98075bdde1b6]::util::run_in_thread_pool_with_globals<rustc_interface[b45d98075bdde1b6]::interface::run_compiler<(), rustc_driver_impl[4120aac06bf00502]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[ccf5ec2e6c9bafe7]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   41:     0x7a321e1d9f3d - std::sys::pal::unix::thread::Thread::new::thread_start::hbb7f6e131ceffc98
[INFO] [stderr]   42:     0x7a3217a8aaa4 - <unknown>
[INFO] [stderr]   43:     0x7a3217b17a34 - clone
[INFO] [stderr]   44:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cryptix-bigint-0.1.0/rustc-ice-2025-08-25T19_37_11-68.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.90.0-nightly (a2a6e871b 2025-07-18) 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 [mir_const_qualif] const checking `utils::<impl at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cryptix-bigint-0.1.0/src/utils.rs:28:1: 31:29>::from_bytes`
[INFO] [stderr] #1 [mir_promoted] promoting constants in MIR for `utils::<impl at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cryptix-bigint-0.1.0/src/utils.rs:28:1: 31:29>::from_bytes`
[INFO] [stderr] #2 [mir_borrowck] borrow-checking `utils::<impl at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cryptix-bigint-0.1.0/src/utils.rs:28:1: 31:29>::from_bytes`
[INFO] [stderr] #3 [analysis] running analysis passes on this crate
[INFO] [stderr] end of query stack
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cryptix-bigint` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b0c2b771190cd61866f558a7e84efe2639140552d23ed0d49cb50ea0cdbdbee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c2b771190cd61866f558a7e84efe2639140552d23ed0d49cb50ea0cdbdbee7", kill_on_drop: false }`
[INFO] [stdout] b0c2b771190cd61866f558a7e84efe2639140552d23ed0d49cb50ea0cdbdbee7
