[INFO] fetching crate jsyc-compiler 0.1.0...
[INFO] testing jsyc-compiler-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate jsyc-compiler 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate jsyc-compiler 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a02604da1f800b283bfe3925f601e228e1c94d1298265a394374164192050fa
[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" "8a02604da1f800b283bfe3925f601e228e1c94d1298265a394374164192050fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a02604da1f800b283bfe3925f601e228e1c94d1298265a394374164192050fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a02604da1f800b283bfe3925f601e228e1c94d1298265a394374164192050fa", kill_on_drop: false }`
[INFO] [stdout] 8a02604da1f800b283bfe3925f601e228e1c94d1298265a394374164192050fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 367ca27887d0607464c9388640d5addf5c8ae4425a3f5fe17fdc44fdcfc5e677
[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" "367ca27887d0607464c9388640d5addf5c8ae4425a3f5fe17fdc44fdcfc5e677", kill_on_drop: false }`
[INFO] [stderr]    Compiling resast v0.2.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling unic-ucd-ident v0.7.0
[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:918:9
[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:     0x7fb909b43540 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x7fb909b43540 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7fb909b43540 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x7fb909b43540 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x7fb909bb1f4c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x7fb909b35867 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x7fb909b48200 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x7fb909b48200 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x7fb909b48200 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x7fb909b47f4c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x7fb90a7a7e59 - rustc_driver::report_ice::h5dabcbd2624000fb
[INFO] [stderr]   11:     0x7fb909b489a8 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:573
[INFO] [stderr]   12:     0x7fb90f7d155d - std::panicking::begin_panic::{{closure}}::hbf209736ae53cf65
[INFO] [stderr]   13:     0x7fb90f7d1176 - std::sys_common::backtrace::__rust_end_short_backtrace::hf2cb3da81678cc22
[INFO] [stderr]   14:     0x7fb90f7d14af - std::panicking::begin_panic::hf21569ad74d15693
[INFO] [stderr]   15:     0x7fb90f795b70 - rustc_errors::HandlerInner::bug::h0b53e71061dbf3b6
[INFO] [stderr]   16:     0x7fb90f7944d0 - rustc_errors::Handler::bug::ha7736e81b6372450
[INFO] [stderr]   17:     0x7fb90f37f7dd - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hfe041be03174b226
[INFO] [stderr]   18:     0x7fb90f36f4eb - rustc_middle::ty::context::tls::with_opt::{{closure}}::h93127ba6266482fe
[INFO] [stderr]   19:     0x7fb90f36f492 - rustc_middle::ty::context::tls::with_opt::headcec578b139e36
[INFO] [stderr]   20:     0x7fb90f37f709 - rustc_middle::util::bug::opt_span_bug_fmt::h550b0fba18442c9c
[INFO] [stderr]   21:     0x7fb90f37f67e - rustc_middle::util::bug::bug_fmt::h72b15248ad25ec78
[INFO] [stderr]   22:     0x7fb90d068c4a - rustc_infer::infer::InferCtxtBuilder::enter::h538877a36df138ee
[INFO] [stderr]   23:     0x7fb90d0d294e - rustc_traits::normalize_erasing_regions::normalize_generic_arg_after_erasing_regions::hec895c67d94603bc
[INFO] [stderr]   24:     0x7fb90f68cf8d - 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::hb43769239e271ee3
[INFO] [stderr]   25:     0x7fb90f19d128 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h3e0c3fc3702dfac3
[INFO] [stderr]   26:     0x7fb90f2f55a6 - rustc_data_structures::stack::ensure_sufficient_stack::h418960b43ba10067
[INFO] [stderr]   27:     0x7fb90f0055b3 - rustc_query_system::query::plumbing::get_query_impl::h39766781815c0a26
[INFO] [stderr]   28:     0x7fb90f67bf56 - <rustc_middle::ty::normalize_erasing_regions::NormalizeAfterErasingRegionsFolder as rustc_middle::ty::fold::TypeFolder>::fold_ty::h4601b863f1aa6cf3
[INFO] [stderr]   29:     0x7fb90e0074fa - rustc_middle::ty::util::<impl rustc_middle::ty::TyS>::needs_drop::h82ee891b2d09856f
[INFO] [stderr]   30:     0x7fb90e036026 - rustc_mir::dataflow::drop_flag_effects::on_all_children_bits::on_all_children_bits::hf7466f9b75d7968d
[INFO] [stderr]   31:     0x7fb90df5443d - <rustc_mir::transform::elaborate_drops::ElaborateDrops as rustc_mir::transform::MirPass>::run_pass::h849b043a2c426331
[INFO] [stderr]   32:     0x7fb90e059175 - rustc_mir::transform::run_passes::hf552b430d08c3e95
[INFO] [stderr]   33:     0x7fb90e05a6a6 - rustc_mir::transform::run_post_borrowck_cleanup_passes::hb8989cb17474d8f4
[INFO] [stderr]   34:     0x7fb90e05a2fa - rustc_mir::transform::mir_drops_elaborated_and_const_checked::h6330e44b9f927b02
[INFO] [stderr]   35:     0x7fb90e00a741 - 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::h2d2d1626db16882d
[INFO] [stderr]   36:     0x7fb90df1d612 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h3467f06a36cd17d1
[INFO] [stderr]   37:     0x7fb90df63ba8 - rustc_data_structures::stack::ensure_sufficient_stack::h1bf623fcc6b7f1a1
[INFO] [stderr]   38:     0x7fb90dd3b600 - rustc_query_system::query::plumbing::get_query_impl::h9082eb6fec8c795a
[INFO] [stderr]   39:     0x7fb90e05b06d - rustc_mir::transform::inner_optimized_mir::h9d11784b6cda1fb4
[INFO] [stderr]   40:     0x7fb90e05ae4d - rustc_mir::transform::optimized_mir::hb60af7308d0d15a3
[INFO] [stderr]   41:     0x7fb90e4879e2 - 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::hc5f3999dbf10c36a
[INFO] [stderr]   42:     0x7fb90e61c784 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h936cfba63f4f5d6f
[INFO] [stderr]   43:     0x7fb90e63a403 - rustc_data_structures::stack::ensure_sufficient_stack::hcea2a611c62d8e24
[INFO] [stderr]   44:     0x7fb90e5b216b - rustc_query_system::query::plumbing::get_query_impl::h9732fc75df84cb8b
[INFO] [stderr]   45:     0x7fb90e4a9039 - rustc_metadata::rmeta::encoder::EncodeContext::encode_optimized_mir::h30107e00e55e7929
[INFO] [stderr]   46:     0x7fb90e4ad220 - <rustc_metadata::rmeta::encoder::EncodeContext as rustc_hir::intravisit::Visitor>::visit_item::h7ece4fd55af1e23e
[INFO] [stderr]   47:     0x7fb90e4f2cf7 - rustc_hir::hir::Crate::visit_all_item_likes::haeeced9c64d6d79a
[INFO] [stderr]   48:     0x7fb90e4a59a1 - rustc_metadata::rmeta::encoder::EncodeContext::encode_crate_root::h749a153c2c2d342c
[INFO] [stderr]   49:     0x7fb90e4b1ea9 - rustc_metadata::rmeta::encoder::encode_metadata_impl::h41beae90aa344f55
[INFO] [stderr]   50:     0x7fb90e54d3fc - rustc_data_structures::sync::join::h33e2072a1b50be68
[INFO] [stderr]   51:     0x7fb90e674d10 - rustc_metadata::rmeta::decoder::cstore_impl::<impl rustc_middle::middle::cstore::CrateStore for rustc_metadata::creader::CStore>::encode_metadata::h5cfd99d291fae96c
[INFO] [stderr]   52:     0x7fb90f36df90 - rustc_middle::ty::context::TyCtxt::encode_metadata::h6d459adda09ee6ad
[INFO] [stderr]   53:     0x7fb90ab054d4 - rustc_interface::passes::QueryContext::enter::hf623005dfbbd2c24
[INFO] [stderr]   54:     0x7fb90ab24073 - rustc_interface::queries::Queries::ongoing_codegen::h6f2062ba7dbd38d1
[INFO] [stderr]   55:     0x7fb90a7cc067 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::h36e3889d2dd335ca
[INFO] [stderr]   56:     0x7fb90a75ff27 - rustc_span::with_source_map::h917ff6a1ba310be6
[INFO] [stderr]   57:     0x7fb90a7cd513 - rustc_interface::interface::create_compiler_and_run::h66fad517fe94cf9c
[INFO] [stderr]   58:     0x7fb90a7ab9fa - scoped_tls::ScopedKey<T>::set::h6552d51750c417dd
[INFO] [stderr]   59:     0x7fb90a7c0957 - std::sys_common::backtrace::__rust_begin_short_backtrace::h9be1ba637b3b1d4f
[INFO] [stderr]   60:     0x7fb90a749dae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h35e090da7a3676a1
[INFO] [stderr]   61:     0x7fb909b57f5a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   62:     0x7fb909b57f5a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   63:     0x7fb909b57f5a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   64:     0x7fb909a64609 - start_thread
[INFO] [stderr]   65:     0x7fb909989103 - clone
[INFO] [stderr]   66:                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 1.47.0 (18bf6b4f0 2020-10-07) 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" "367ca27887d0607464c9388640d5addf5c8ae4425a3f5fe17fdc44fdcfc5e677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367ca27887d0607464c9388640d5addf5c8ae4425a3f5fe17fdc44fdcfc5e677", kill_on_drop: false }`
[INFO] [stdout] 367ca27887d0607464c9388640d5addf5c8ae4425a3f5fe17fdc44fdcfc5e677
