[INFO] fetching crate jsyc-compiler 0.1.0...
[INFO] testing jsyc-compiler-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate jsyc-compiler 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jsyc-compiler 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsyc-compiler 0.1.0
[INFO] finished tweaking crates.io crate jsyc-compiler 0.1.0
[INFO] tweaked toml for crates.io crate jsyc-compiler 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-char-range v0.7.0
[INFO] [stderr]   Downloaded unic-common v0.7.0
[INFO] [stderr]   Downloaded unic-char-property v0.7.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.7.0
[INFO] [stderr]   Downloaded unic-ucd-ident v0.7.0
[INFO] [stderr]   Downloaded ressa v0.5.2
[INFO] [stderr]   Downloaded ress v0.6.3
[INFO] [stderr]   Downloaded resast v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fb74cb42e2260e9eb92ffa71397bf8b9a10162d6b63b634767de27a7cae622f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3fb74cb42e2260e9eb92ffa71397bf8b9a10162d6b63b634767de27a7cae622f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fb74cb42e2260e9eb92ffa71397bf8b9a10162d6b63b634767de27a7cae622f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb74cb42e2260e9eb92ffa71397bf8b9a10162d6b63b634767de27a7cae622f", kill_on_drop: false }`
[INFO] [stdout] 3fb74cb42e2260e9eb92ffa71397bf8b9a10162d6b63b634767de27a7cae622f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9087780c3687a1098b06d5cd8b3138247fa51277d9514ae76f700a4d0ee218ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9087780c3687a1098b06d5cd8b3138247fa51277d9514ae76f700a4d0ee218ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling unic-char-range v0.7.0
[INFO] [stderr]    Compiling unic-common v0.7.0
[INFO] [stderr]    Compiling resast v0.2.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling unic-char-property v0.7.0
[INFO] [stderr]    Compiling unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling unic-ucd-ident v0.7.0
[INFO] [stderr]    Compiling ress v0.6.3
[INFO] [stdout] error: internal compiler error: compiler/rustc_traits/src/normalize_erasing_regions.rs:37:32: could not fully normalize `combine::combinator::Y<<impl combine::Parser as combine::Parser>::PartialState, <impl combine::Parser as combine::Parser>::PartialState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'Box<Any>', compiler/rustc_errors/src/lib.rs:945:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7fe9982ad410 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x7fe9982ad410 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7fe9982ad410 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x7fe9982ad410 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x7fe99831b5cc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x7fe99829f072 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x7fe9982b218d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x7fe9982b218d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x7fe9982b218d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x7fe9982b1e38 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x7fe998b3b0b4 - rustc_driver::report_ice::h5b9fb8474972c25e
[INFO] [stderr]   11:     0x7fe9982b29d6 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:581
[INFO] [stderr]   12:     0x7fe99bbc1b0d - std::panicking::begin_panic::{{closure}}::hf63b06b6f25b2bdf
[INFO] [stderr]   13:     0x7fe99bbc1a66 - std::sys_common::backtrace::__rust_end_short_backtrace::h4a10ac286d57b878
[INFO] [stderr]   14:     0x7fe99bbc79df - std::panicking::begin_panic::hce65d2b360d5b6cd
[INFO] [stderr]   15:     0x7fe99bbffa20 - rustc_errors::HandlerInner::bug::h6efa9d026e354399
[INFO] [stderr]   16:     0x7fe99bbfe500 - rustc_errors::Handler::bug::h65ab0cb6919f7f68
[INFO] [stderr]   17:     0x7fe99b5154a4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hece8a2fab170b9d8
[INFO] [stderr]   18:     0x7fe99b50eafb - rustc_middle::ty::context::tls::with_opt::{{closure}}::he2d94fe1646e47bf
[INFO] [stderr]   19:     0x7fe99b50e472 - rustc_middle::ty::context::tls::with_opt::h5babe8f0efdba1b5
[INFO] [stderr]   20:     0x7fe99b5153c9 - rustc_middle::util::bug::opt_span_bug_fmt::heb60f98da3d119cb
[INFO] [stderr]   21:     0x7fe99b51533e - rustc_middle::util::bug::bug_fmt::hc7a67a8c724be98c
[INFO] [stderr]   22:     0x7fe99927606a - rustc_infer::infer::InferCtxtBuilder::enter::hdcfa59718b739dd1
[INFO] [stderr]   23:     0x7fe9992b57d4 - rustc_traits::normalize_erasing_regions::normalize_generic_arg_after_erasing_regions::h4faa5ca4fd539b92
[INFO] [stderr]   24:     0x7fe99b4167a2 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::hc9b7506c8b93697c
[INFO] [stderr]   25:     0x7fe99b5403c8 - rustc_data_structures::stack::ensure_sufficient_stack::hd9ab99097ffe3d5e
[INFO] [stderr]   26:     0x7fe99b9e2720 - rustc_query_system::query::plumbing::get_query_impl::hd34aababc4489571
[INFO] [stderr]   27:     0x7fe99b90758b - <rustc_middle::ty::normalize_erasing_regions::NormalizeAfterErasingRegionsFolder as rustc_middle::ty::fold::TypeFolder>::fold_ty::he529649e2980b5dd
[INFO] [stderr]   28:     0x7fe99a37376d - rustc_middle::ty::util::<impl rustc_middle::ty::TyS>::needs_drop::h656f3b489dc02bfb
[INFO] [stderr]   29:     0x7fe99a39d3b2 - rustc_mir::dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::hac8fbe182427ce33
[INFO] [stderr]   30:     0x7fe99a2c86c7 - <rustc_mir::transform::elaborate_drops::ElaborateDrops as rustc_mir::transform::MirPass>::run_pass::h3ff084c4363a2828
[INFO] [stderr]   31:     0x7fe99a2d1e15 - rustc_mir::transform::run_passes::ha775641100120908
[INFO] [stderr]   32:     0x7fe99a2d3af0 - rustc_mir::transform::run_post_borrowck_cleanup_passes::h502d455b0995eb7f
[INFO] [stderr]   33:     0x7fe99a2d3740 - rustc_mir::transform::mir_drops_elaborated_and_const_checked::h0cffe7201f8248c0
[INFO] [stderr]   34:     0x7fe99a27d101 - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::mir_drops_elaborated_and_const_checked>::compute::he277196b51a753c8
[INFO] [stderr]   35:     0x7fe99a20f162 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h918b3082e52a33c9
[INFO] [stderr]   36:     0x7fe99a225417 - rustc_data_structures::stack::ensure_sufficient_stack::h82fd090be3d5e4eb
[INFO] [stderr]   37:     0x7fe99a0f0640 - rustc_query_system::query::plumbing::get_query_impl::hf68233ca3f332e9f
[INFO] [stderr]   38:     0x7fe99a2d44ad - rustc_mir::transform::inner_optimized_mir::hd01af63ee0ca6bef
[INFO] [stderr]   39:     0x7fe99a2d4290 - rustc_mir::transform::optimized_mir::h2aef89067717949f
[INFO] [stderr]   40:     0x7fe99a84d0e2 - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::optimized_mir>::compute::h51dbe9fd46f44842
[INFO] [stderr]   41:     0x7fe99a9fdb84 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h2852ae3a7126a7a7
[INFO] [stderr]   42:     0x7fe99a919931 - rustc_data_structures::stack::ensure_sufficient_stack::h1c2fe2ec23770917
[INFO] [stderr]   43:     0x7fe99a9b3759 - rustc_query_system::query::plumbing::get_query_impl::h72e0ed68b3d57485
[INFO] [stderr]   44:     0x7fe99a86ef47 - rustc_metadata::rmeta::encoder::EncodeContext::encode_optimized_mir::h09a9525e61ec359c
[INFO] [stderr]   45:     0x7fe99a8735db - <rustc_metadata::rmeta::encoder::EncodeContext as rustc_hir::intravisit::Visitor>::visit_item::hde265d7e41ec1c22
[INFO] [stderr]   46:     0x7fe99a89ff07 - rustc_hir::hir::Crate::visit_all_item_likes::ha4a32747d8509425
[INFO] [stderr]   47:     0x7fe99a86af7d - rustc_metadata::rmeta::encoder::EncodeContext::encode_crate_root::h663d16a4f5b72f1c
[INFO] [stderr]   48:     0x7fe99a877c60 - rustc_metadata::rmeta::encoder::encode_metadata_impl::he879afaa8e001679
[INFO] [stderr]   49:     0x7fe99a9188ec - rustc_data_structures::sync::join::h55dc021de786bda8
[INFO] [stderr]   50:     0x7fe99aa2aa10 - rustc_metadata::rmeta::decoder::cstore_impl::<impl rustc_middle::middle::cstore::CrateStore for rustc_metadata::creader::CStore>::encode_metadata::h336bd3ad7d4b74de
[INFO] [stderr]   51:     0x7fe99b61fde0 - rustc_middle::ty::context::TyCtxt::encode_metadata::h98fc5545cf233b4b
[INFO] [stderr]   52:     0x7fe998dc74e4 - rustc_interface::passes::QueryContext::enter::h23a2ddc99d800d56
[INFO] [stderr]   53:     0x7fe998df3253 - rustc_interface::queries::Queries::ongoing_codegen::h2c31f6799bcf60e3
[INFO] [stderr]   54:     0x7fe998b898e4 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::had791f63f727c367
[INFO] [stderr]   55:     0x7fe998b5ea67 - rustc_span::with_source_map::h755817392b17a216
[INFO] [stderr]   56:     0x7fe998b85ac1 - scoped_tls::ScopedKey<T>::set::he59500e39ec4abad
[INFO] [stderr]   57:     0x7fe998b8ce21 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd47de080afaa24c1
[INFO] [stderr]   58:     0x7fe998b07f4e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd9b6798a9391b23c
[INFO] [stderr]   59:     0x7fe9982c170a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   60:     0x7fe9982c170a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   61:     0x7fe9982c170a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   62:     0x7fe9981dd609 - start_thread
[INFO] [stderr]   63:     0x7fe9980fe103 - clone
[INFO] [stderr]   64:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: 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: rustc 1.48.0-beta.2 (212e76c31 2020-10-08) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[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 [normalize_generic_arg_after_erasing_regions] normalizing `combine::combinator::Y<<impl combine::Parser as combine::Parser>::PartialState, <impl combine::Parser as combine::Parser>::PartialState>`
[INFO] [stderr] #1 [mir_drops_elaborated_and_const_checked] elaborating drops for `<tokens::token<I> as combine::Parser>::parse_mode_impl`
[INFO] [stderr] #2 [optimized_mir] optimizing MIR for `<tokens::token<I> as combine::Parser>::parse_mode_impl`
[INFO] [stderr] end of query stack
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ress`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9087780c3687a1098b06d5cd8b3138247fa51277d9514ae76f700a4d0ee218ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9087780c3687a1098b06d5cd8b3138247fa51277d9514ae76f700a4d0ee218ab", kill_on_drop: false }`
[INFO] [stdout] 9087780c3687a1098b06d5cd8b3138247fa51277d9514ae76f700a4d0ee218ab
