[INFO] crate jsyc-compiler 0.1.0 is already in cache
[INFO] testing jsyc-compiler-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate jsyc-compiler 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate jsyc-compiler 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f1f2ff6e3f73cc6578cd4bdf614541d73b23c00fa75772707fbc2ba69629241
[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" "3f1f2ff6e3f73cc6578cd4bdf614541d73b23c00fa75772707fbc2ba69629241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f1f2ff6e3f73cc6578cd4bdf614541d73b23c00fa75772707fbc2ba69629241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1f2ff6e3f73cc6578cd4bdf614541d73b23c00fa75772707fbc2ba69629241", kill_on_drop: false }`
[INFO] [stdout] 3f1f2ff6e3f73cc6578cd4bdf614541d73b23c00fa75772707fbc2ba69629241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3343df995b369ead4728d81605f0d045b0822a94738b2a6cd3764b706f017389
[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" "3343df995b369ead4728d81605f0d045b0822a94738b2a6cd3764b706f017389", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unic-common v0.7.0
[INFO] [stderr]    Compiling unic-char-range v0.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling resast v0.2.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unic-char-property v0.7.0
[INFO] [stderr]    Compiling unic-ucd-ident v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling ress v0.6.3
[INFO] [stderr] thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:916:9
[INFO] [stdout] error: internal compiler error: src/librustc_traits/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] stack backtrace:
[INFO] [stderr]    0:     0x7f3999bfd915 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x7f3999bfd915 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f3999bfd915 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x7f3999bfd915 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x7f3999c3a3ac - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x7f3999bef692 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x7f3999c027b0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x7f3999c027b0 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x7f3999c027b0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x7f3999c024fc - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x7f399a373289 - rustc_driver::report_ice::h43de776c69f6f711
[INFO] [stderr]   11:     0x7f3999c02f28 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:530
[INFO] [stderr]   12:     0x7f399cefea43 - std::panicking::begin_panic::ha5fb9f3993c03742
[INFO] [stderr]   13:     0x7f399cf356c0 - rustc_errors::HandlerInner::bug::h0bf40347c42c1b60
[INFO] [stderr]   14:     0x7f399cf34150 - rustc_errors::Handler::bug::h5dc5e9669b20c708
[INFO] [stderr]   15:     0x7f399cab05bd - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb5c7aca7b763d01d
[INFO] [stderr]   16:     0x7f399caaa09b - rustc_middle::ty::context::tls::with_opt::{{closure}}::hb1581707310fecc5
[INFO] [stderr]   17:     0x7f399caaa042 - rustc_middle::ty::context::tls::with_opt::hcd377c1334f70281
[INFO] [stderr]   18:     0x7f399cab04e9 - rustc_middle::util::bug::opt_span_bug_fmt::h031ec510783d4cf7
[INFO] [stderr]   19:     0x7f399cab045e - rustc_middle::util::bug::bug_fmt::hae19be44fbb9775f
[INFO] [stderr]   20:     0x7f399ab0b977 - rustc_infer::infer::InferCtxtBuilder::enter::h08aa5b7d86ab2422
[INFO] [stderr]   21:     0x7f399ab30cee - rustc_traits::normalize_erasing_regions::normalize_generic_arg_after_erasing_regions::h7f24e946075d6db9
[INFO] [stderr]   22:     0x7f399c8f3dfd - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::normalize_generic_arg_after_erasing_regions>::compute::h31270b78e47b1f0d
[INFO] [stderr]   23:     0x7f399c7c0a76 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h10554c42e914d54b
[INFO] [stderr]   24:     0x7f399cb4b1c6 - rustc_data_structures::stack::ensure_sufficient_stack::hd7a08a5e1320e035
[INFO] [stderr]   25:     0x7f399c93b5ee - rustc_query_system::query::plumbing::get_query_impl::h6cf75a9c9fef9065
[INFO] [stderr]   26:     0x7f399c8ec82e - <rustc_middle::ty::normalize_erasing_regions::NormalizeAfterErasingRegionsFolder as rustc_middle::ty::fold::TypeFolder>::fold_ty::h018c7865b8781966
[INFO] [stderr]   27:     0x7f399ba52da0 - rustc_middle::ty::util::<impl rustc_middle::ty::TyS>::needs_drop::hd136856863044471
[INFO] [stderr]   28:     0x7f399ba810e6 - rustc_mir::dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::h195987c4dc0d5e10
[INFO] [stderr]   29:     0x7f399b9f0b37 - <rustc_mir::transform::elaborate_drops::ElaborateDrops as rustc_mir::transform::MirPass>::run_pass::h05f8c8128f35161e
[INFO] [stderr]   30:     0x7f399b8f00e5 - rustc_mir::transform::run_passes::h7870be1b0235e2ed
[INFO] [stderr]   31:     0x7f399b8f1cff - rustc_mir::transform::run_post_borrowck_cleanup_passes::h30e0e0bc31ddcb7f
[INFO] [stderr]   32:     0x7f399b8f1918 - rustc_mir::transform::mir_drops_elaborated_and_const_checked::he3d5c728d5345eb0
[INFO] [stderr]   33:     0x7f399b89d011 - 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::h6f1d88555a1336ec
[INFO] [stderr]   34:     0x7f399b86fc72 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::haa746a97ac687767
[INFO] [stderr]   35:     0x7f399b8b76d8 - rustc_data_structures::stack::ensure_sufficient_stack::hf74427bcaf57b1d1
[INFO] [stderr]   36:     0x7f399b825b65 - rustc_query_system::query::plumbing::get_query_impl::h8694b9a63e6a983c
[INFO] [stderr]   37:     0x7f399b8f263d - rustc_mir::transform::inner_optimized_mir::h5ed96f330af7cd34
[INFO] [stderr]   38:     0x7f399b8f241d - rustc_mir::transform::optimized_mir::h18982c0eb37c0358
[INFO] [stderr]   39:     0x7f399bd4d9b2 - 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::h6159a66e2b342040
[INFO] [stderr]   40:     0x7f399bf05104 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::hb9ccbfcbdc7aaa51
[INFO] [stderr]   41:     0x7f399bf437c3 - rustc_data_structures::stack::ensure_sufficient_stack::h6724b7f88a53de83
[INFO] [stderr]   42:     0x7f399bed838e - rustc_query_system::query::plumbing::get_query_impl::hcdde4df89b746090
[INFO] [stderr]   43:     0x7f399bd6ebab - rustc_metadata::rmeta::encoder::EncodeContext::encode_optimized_mir::h326142df8146225c
[INFO] [stderr]   44:     0x7f399bd72d1b - <rustc_metadata::rmeta::encoder::EncodeContext as rustc_hir::intravisit::Visitor>::visit_item::h64c4e2432d6de756
[INFO] [stderr]   45:     0x7f399be7c3a7 - rustc_hir::hir::Crate::visit_all_item_likes::hda73ad1a77bd443a
[INFO] [stderr]   46:     0x7f399bd6ba5c - rustc_metadata::rmeta::encoder::EncodeContext::encode_crate_root::hddb536885407d434
[INFO] [stderr]   47:     0x7f399bd7651a - rustc_metadata::rmeta::encoder::encode_metadata_impl::hca0e73ded05c9d50
[INFO] [stderr]   48:     0x7f399be71764 - rustc_data_structures::sync::join::h8a224e415d9d84f4
[INFO] [stderr]   49:     0x7f399bd97570 - rustc_metadata::rmeta::decoder::cstore_impl::<impl rustc_middle::middle::cstore::CrateStore for rustc_metadata::creader::CStore>::encode_metadata::h7873914d03d0a983
[INFO] [stderr]   50:     0x7f399cba64f0 - rustc_middle::ty::context::TyCtxt::encode_metadata::hb24947ceec8fb2b2
[INFO] [stderr]   51:     0x7f399a512d04 - rustc_interface::passes::start_codegen::h2c4919b9c911009b
[INFO] [stderr]   52:     0x7f399a52ce46 - rustc_middle::ty::context::tls::enter_global::h70200a5893cfeaaf
[INFO] [stderr]   53:     0x7f399a52894e - rustc_interface::queries::Queries::ongoing_codegen::h9a99bae4030d4856
[INFO] [stderr]   54:     0x7f399a32d8d3 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::hdc62de880eb072a0
[INFO] [stderr]   55:     0x7f399a3ccb27 - rustc_span::with_source_map::hde950d9c30fd0b8d
[INFO] [stderr]   56:     0x7f399a32e596 - rustc_interface::interface::create_compiler_and_run::h367463a76987ed64
[INFO] [stderr]   57:     0x7f399a35911d - scoped_tls::ScopedKey<T>::set::hf06b62ab4457b196
[INFO] [stderr]   58:     0x7f399a37f142 - std::sys_common::backtrace::__rust_begin_short_backtrace::hef5856eeba4b0c65
[INFO] [stderr]   59:     0x7f399a33beee - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9cdba4c6ffcf3f25
[INFO] [stderr]   60:     0x7f3999c11cca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   61:     0x7f3999c11cca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   62:     0x7f3999c11cca - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   63:     0x7f3999b52609 - start_thread
[INFO] [stderr]   64:     0x7f3999a66103 - __clone
[INFO] [stderr]   65:                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 1.46.0-nightly (8534be72f 2020-07-17) 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" "3343df995b369ead4728d81605f0d045b0822a94738b2a6cd3764b706f017389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3343df995b369ead4728d81605f0d045b0822a94738b2a6cd3764b706f017389", kill_on_drop: false }`
[INFO] [stdout] 3343df995b369ead4728d81605f0d045b0822a94738b2a6cd3764b706f017389