Nov 18 08:03:09.793 INFO testing kay-0.3.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982 Nov 18 08:03:09.794 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 18 08:03:09.973 INFO [stdout] 867ae272cfb16bccceb26770db0dfa529cc27c2655b464946bb0c0929db50d6f Nov 18 08:03:09.975 INFO running `"docker" "start" "-a" "867ae272cfb16bccceb26770db0dfa529cc27c2655b464946bb0c0929db50d6f"` Nov 18 08:03:10.406 INFO [stderr] usermod: no changes Nov 18 08:03:10.559 INFO [stderr] Compiling simple_allocator_trait v0.1.0 Nov 18 08:03:10.561 INFO [stderr] Compiling compact_macros v0.1.0 Nov 18 08:03:10.561 INFO [stderr] Compiling tungstenite v0.5.4 Nov 18 08:03:11.065 INFO [stderr] Compiling compact v0.2.13 Nov 18 08:03:11.067 INFO [stderr] Compiling chunky v0.1.2 Nov 18 08:03:12.781 INFO [stderr] error: internal compiler error: librustc/traits/specialize/mod.rs:104: When translating substitutions for specialization, the expected specialization failed to hold Nov 18 08:03:12.781 INFO [stderr] Nov 18 08:03:12.781 INFO [stderr] thread 'main' panicked at 'Box', librustc_errors/lib.rs:600:9 Nov 18 08:03:12.811 INFO [stderr] stack backtrace: Nov 18 08:03:12.947 INFO [stderr] 0: 0x7fe813246a83 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h26df0f6fdb27c709 Nov 18 08:03:12.947 INFO [stderr] at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 18 08:03:12.947 INFO [stderr] 1: 0x7fe81323e2a8 - std::sys_common::backtrace::_print::h84c40fecda6d638e Nov 18 08:03:12.947 INFO [stderr] at libstd/sys_common/backtrace.rs:71 Nov 18 08:03:12.947 INFO [stderr] 2: 0x7fe813243454 - std::panicking::default_hook::{{closure}}::h77e370c0567fc0a7 Nov 18 08:03:12.947 INFO [stderr] at libstd/sys_common/backtrace.rs:59 Nov 18 08:03:12.947 INFO [stderr] at libstd/panicking.rs:211 Nov 18 08:03:12.947 INFO [stderr] 3: 0x7fe8132431bd - std::panicking::default_hook::hb9a45c11a33bbcb2 Nov 18 08:03:12.947 INFO [stderr] at libstd/panicking.rs:227 Nov 18 08:03:12.947 INFO [stderr] 4: 0x7fe80f75e6d1 - rustc::util::common::panic_hook::h102faf9876448695 Nov 18 08:03:12.947 INFO [stderr] 5: 0x7fe813243c39 - std::panicking::rust_panic_with_hook::ha8d95048d940f754 Nov 18 08:03:12.947 INFO [stderr] at libstd/panicking.rs:480 Nov 18 08:03:12.947 INFO [stderr] 6: 0x7fe80e41de7f - std::panicking::begin_panic::h0a0b1d034a232e60 Nov 18 08:03:12.947 INFO [stderr] 7: 0x7fe80e431471 - rustc_errors::Handler::bug::h187c73f72c33a102 Nov 18 08:03:12.947 INFO [stderr] 8: 0x7fe80f34d42e - rustc::util::bug::opt_span_bug_fmt::{{closure}}::h06493fd6cef2e759 Nov 18 08:03:12.947 INFO [stderr] 9: 0x7fe80f34d099 - rustc::ty::context::tls::with_opt::{{closure}}::h4c93ce24b108f7cb Nov 18 08:03:12.947 INFO [stderr] 10: 0x7fe80f2804ff - rustc::ty::context::tls::with_context_opt::h12bdd9e8b2474afb Nov 18 08:03:12.947 INFO [stderr] 11: 0x7fe80f34c806 - rustc::ty::context::tls::with_opt::h753bcef2f89e8e2c Nov 18 08:03:12.947 INFO [stderr] 12: 0x7fe80f6a41b4 - rustc::util::bug::opt_span_bug_fmt::hdfaad049feeb7174 Nov 18 08:03:12.947 INFO [stderr] 13: 0x7fe80f6a4126 - rustc::util::bug::bug_fmt::h61a5349e01f8c9c2 Nov 18 08:03:12.947 INFO [stderr] 14: 0x7fe80f214fc2 - rustc::traits::specialize::translate_substs::{{closure}}::ha6e49528e21f8811 Nov 18 08:03:12.947 INFO [stderr] 15: 0x7fe80f214f65 - rustc::traits::specialize::translate_substs::h8b20176619162c4c Nov 18 08:03:12.947 INFO [stderr] 16: 0x7fe80f337e7f - rustc::ty::context::tls::with_related_context::he78f1553f35911a6 Nov 18 08:03:12.947 INFO [stderr] 17: 0x7fe80f707251 - rustc::infer::InferCtxtBuilder::enter::hd2072875e43b3fdd Nov 18 08:03:12.947 INFO [stderr] 18: 0x7fe80f21566e - rustc::traits::specialize::find_associated_item::h68ab53d0061d55da Nov 18 08:03:12.947 INFO [stderr] 19: 0x7fe80f112ef3 - rustc::ty::instance::Instance::resolve::h6c9c2ee2da5668c4 Nov 18 08:03:12.947 INFO [stderr] 20: 0x7fe81020d85d - rustc_mir::lints::check::h96683dd761ba1217 Nov 18 08:03:12.947 INFO [stderr] 21: 0x7fe81015db8b - rustc::ty::context::tls::with_related_context::h4143aa54b5c49495 Nov 18 08:03:12.947 INFO [stderr] 22: 0x7fe81036c11a - rustc::infer::InferCtxtBuilder::enter::hf736cee1b6d53d72 Nov 18 08:03:12.947 INFO [stderr] 23: 0x7fe8101df726 - rustc_mir::build::mir_build::h8a87a884764a3b2f Nov 18 08:03:12.947 INFO [stderr] 24: 0x7fe8104b308d - rustc_mir::transform::mir_built::h0b1b12b38e525e7a Nov 18 08:03:12.947 INFO [stderr] 25: 0x7fe80f4227a5 - rustc::ty::query::__query_compute::mir_built::hab4252bf7808d2fd Nov 18 08:03:12.947 INFO [stderr] 26: 0x7fe80f34dbbc - rustc::ty::query:: for rustc::ty::query::queries::mir_built<'tcx>>::compute::h9e55c3ff31afac30 Nov 18 08:03:12.947 INFO [stderr] 27: 0x7fe80f167cbb - rustc::dep_graph::graph::DepGraph::with_task_impl::h27fe1f69625ec35f Nov 18 08:03:12.947 INFO [stderr] 28: 0x7fe80f33a709 - rustc::ty::context::tls::with_related_context::hecf78bd13d944e73 Nov 18 08:03:12.947 INFO [stderr] 29: 0x7fe80f4765bd - rustc::ty::query::plumbing::>::force_query_with_job::hdf44a92e23203efc Nov 18 08:03:12.947 INFO [stderr] 30: 0x7fe80f4eaa48 - rustc::ty::query::plumbing::>::get_query::h1d175a604cdc6be7 Nov 18 08:03:12.947 INFO [stderr] 31: 0x7fe80f5cc8de - rustc::ty::query::>::mir_built::h78ca6bf2730901c1 Nov 18 08:03:12.947 INFO [stderr] 32: 0x7fe8103fb1d0 - rustc_mir::transform::check_unsafety::unsafety_check_result::he953375e46232689 Nov 18 08:03:12.947 INFO [stderr] 33: 0x7fe80f422aed - rustc::ty::query::__query_compute::unsafety_check_result::h33e8e183c3e6da95 Nov 18 08:03:12.947 INFO [stderr] 34: 0x7fe80f34dc84 - rustc::ty::query:: for rustc::ty::query::queries::unsafety_check_result<'tcx>>::compute::hdd66c4acc388e2b8 Nov 18 08:03:12.947 INFO [stderr] 35: 0x7fe80f1a759b - rustc::dep_graph::graph::DepGraph::with_task_impl::hefa8cdeb6a594d46 Nov 18 08:03:12.947 INFO [stderr] 36: 0x7fe80f317b3a - rustc::ty::context::tls::with_related_context::h9f5966d5b395df3e Nov 18 08:03:12.947 INFO [stderr] 37: 0x7fe80f47c8c5 - rustc::ty::query::plumbing::>::force_query_with_job::hf56ad49fa4e16522 Nov 18 08:03:12.947 INFO [stderr] 38: 0x7fe80f572c18 - rustc::ty::query::plumbing::>::get_query::hb9b9f3573e571014 Nov 18 08:03:12.947 INFO [stderr] 39: 0x7fe80f5cc9d2 - rustc::ty::query::>::unsafety_check_result::h468e931573d2b939 Nov 18 08:03:12.947 INFO [stderr] 40: 0x7fe8104b44ef - rustc_mir::transform::mir_const::h5c6c5c73fab2f6a5 Nov 18 08:03:12.947 INFO [stderr] 41: 0x7fe80f422875 - rustc::ty::query::__query_compute::mir_const::h8926e5ac267cf370 Nov 18 08:03:12.947 INFO [stderr] 42: 0x7fe80f34dbec - rustc::ty::query:: for rustc::ty::query::queries::mir_const<'tcx>>::compute::hb2801684cec72843 Nov 18 08:03:12.947 INFO [stderr] 43: 0x7fe80f167cbb - rustc::dep_graph::graph::DepGraph::with_task_impl::h27fe1f69625ec35f Nov 18 08:03:12.947 INFO [stderr] 44: 0x7fe80f314b89 - rustc::ty::context::tls::with_related_context::h9b136bcba4bae925 Nov 18 08:03:12.947 INFO [stderr] 45: 0x7fe80f46ed7d - rustc::ty::query::plumbing::>::force_query_with_job::hb4fde966fe04f9b9 Nov 18 08:03:12.988 INFO [stderr] 46: 0x7fe80f52ea78 - rustc::ty::query::plumbing::>::get_query::h7c3ed8ef1707298d Nov 18 08:03:12.988 INFO [stderr] 47: 0x7fe80f5cc8fe - rustc::ty::query::>::mir_const::h2adf25677461677e Nov 18 08:03:12.988 INFO [stderr] 48: 0x7fe8104b4809 - rustc_mir::transform::mir_validated::h3d88f876429961f5 Nov 18 08:03:12.988 INFO [stderr] 49: 0x7fe80f422945 - rustc::ty::query::__query_compute::mir_validated::h56ad69953f38c114 Nov 18 08:03:12.988 INFO [stderr] 50: 0x7fe80f34dc1c - rustc::ty::query:: for rustc::ty::query::queries::mir_validated<'tcx>>::compute::h4f7964e0eab0ac49 Nov 18 08:03:12.988 INFO [stderr] 51: 0x7fe80f167cbb - rustc::dep_graph::graph::DepGraph::with_task_impl::h27fe1f69625ec35f Nov 18 08:03:12.988 INFO [stderr] 52: 0x7fe80f2ecf99 - rustc::ty::context::tls::with_related_context::h429f0a3717c3c8df Nov 18 08:03:12.988 INFO [stderr] 53: 0x7fe80f46dead - rustc::ty::query::plumbing::>::force_query_with_job::hb32fd72e847ea264 Nov 18 08:03:12.988 INFO [stderr] 54: 0x7fe80f4ca068 - rustc::ty::query::plumbing::>::get_query::h050bfe0d726251f0 Nov 18 08:03:12.988 INFO [stderr] 55: 0x7fe80f48de23 - rustc::ty::query::plumbing::>::ensure_query::hc68abadfe659ce89 Nov 18 08:03:12.988 INFO [stderr] 56: 0x7fe81087c687 - rustc_borrowck::borrowck::borrowck::h588c78844be5f5f9 Nov 18 08:03:12.988 INFO [stderr] 57: 0x7fe80f34de1c - rustc::ty::query:: for rustc::ty::query::queries::borrowck<'tcx>>::compute::h96ea70867c3bebe9 Nov 18 08:03:12.988 INFO [stderr] 58: 0x7fe80f160e3c - rustc::dep_graph::graph::DepGraph::with_task_impl::h17648c5d7a299afb Nov 18 08:03:12.989 INFO [stderr] 59: 0x7fe80f2d4c59 - rustc::ty::context::tls::with_related_context::h10781cf4da1148de Nov 18 08:03:12.989 INFO [stderr] 60: 0x7fe80f46d48d - rustc::ty::query::plumbing::>::force_query_with_job::hb1d0273dcbf7b9b5 Nov 18 08:03:12.989 INFO [stderr] 61: 0x7fe80f55f493 - rustc::ty::query::plumbing::>::get_query::haa2c0a619e2dc19d Nov 18 08:03:12.989 INFO [stderr] 62: 0x7fe810871f40 - rustc::ty::>::par_body_owners::ha1ac37fb5cb640aa Nov 18 08:03:12.989 INFO [stderr] 63: 0x7fe81087c3a7 - rustc_borrowck::borrowck::check_crate::h3e78b57280165449 Nov 18 08:03:12.989 INFO [stderr] 64: 0x7fe813564651 - rustc::util::common::time::h32121bac60555c57 Nov 18 08:03:12.989 INFO [stderr] 65: 0x7fe813604d68 - rustc::ty::context::tls::enter_context::hf4dd22a3929631d7 Nov 18 08:03:12.989 INFO [stderr] 66: 0x7fe8135d1371 - >::with::h559cddd35abab2bf Nov 18 08:03:12.989 INFO [stderr] 67: 0x7fe813606864 - rustc::ty::context::TyCtxt::create_and_enter::h3924906d1c9d7c61 Nov 18 08:03:12.989 INFO [stderr] 68: 0x7fe8135532bf - rustc_driver::driver::compile_input::h4143768d89b91ca2 Nov 18 08:03:12.989 INFO [stderr] 69: 0x7fe81362df34 - rustc_driver::run_compiler_with_pool::h19608772a7aa90a6 Nov 18 08:03:12.989 INFO [stderr] 70: 0x7fe8135887d5 - >::set::h5a5fbe70e3cffa36 Nov 18 08:03:12.989 INFO [stderr] 71: 0x7fe81362cf5a - rustc_driver::run_compiler::h403021057e42a038 Nov 18 08:03:12.989 INFO [stderr] 72: 0x7fe8135a07e8 - syntax::with_globals::hf7a301326ce3a07b Nov 18 08:03:12.989 INFO [stderr] 73: 0x7fe813261019 - __rust_maybe_catch_panic Nov 18 08:03:12.989 INFO [stderr] at libpanic_unwind/lib.rs:102 Nov 18 08:03:12.989 INFO [stderr] 74: 0x7fe81362b015 - rustc_driver::run::h60dc88de5f48d403 Nov 18 08:03:12.989 INFO [stderr] 75: 0x7fe813638b9b - rustc_driver::main::ha57dc6064a4a2449 Nov 18 08:03:12.989 INFO [stderr] 76: 0x55a1ac860922 - std::rt::lang_start::{{closure}}::h172749a3001d11c1 Nov 18 08:03:12.989 INFO [stderr] 77: 0x7fe813243562 - std::panicking::try::do_call::hd60a76d8ded0e2c5 Nov 18 08:03:12.989 INFO [stderr] at libstd/rt.rs:59 Nov 18 08:03:12.989 INFO [stderr] at libstd/panicking.rs:310 Nov 18 08:03:12.989 INFO [stderr] 78: 0x7fe813261019 - __rust_maybe_catch_panic Nov 18 08:03:12.989 INFO [stderr] at libpanic_unwind/lib.rs:102 Nov 18 08:03:12.989 INFO [stderr] 79: 0x7fe813243ff3 - std::rt::lang_start_internal::h97a4fd93ec84f1b4 Nov 18 08:03:12.989 INFO [stderr] at libstd/panicking.rs:289 Nov 18 08:03:12.989 INFO [stderr] at libstd/panic.rs:398 Nov 18 08:03:12.989 INFO [stderr] at libstd/rt.rs:58 Nov 18 08:03:12.989 INFO [stderr] 80: 0x55a1ac860984 - main Nov 18 08:03:12.989 INFO [stderr] 81: 0x7fe812e3282f - __libc_start_main Nov 18 08:03:12.989 INFO [stderr] 82: 0x55a1ac860808 - Nov 18 08:03:12.989 INFO [stderr] query stack during panic: Nov 18 08:03:12.989 INFO [stderr] #0 [mir_built] processing ` as compact::Compact>::decompact` Nov 18 08:03:12.989 INFO [stderr] #1 [unsafety_check_result] processing ` as compact::Compact>::decompact` Nov 18 08:03:12.989 INFO [stderr] #2 [mir_const] processing ` as compact::Compact>::decompact` Nov 18 08:03:12.989 INFO [stderr] #3 [mir_validated] processing ` as compact::Compact>::decompact` Nov 18 08:03:12.989 INFO [stderr] #4 [borrowck] processing ` as compact::Compact>::decompact` Nov 18 08:03:12.989 INFO [stderr] end of query stack Nov 18 08:03:12.989 INFO [stderr] error: aborting due to previous error Nov 18 08:03:12.989 INFO [stderr] Nov 18 08:03:12.989 INFO [stderr] Nov 18 08:03:12.989 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Nov 18 08:03:12.989 INFO [stderr] Nov 18 08:03:12.989 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Nov 18 08:03:12.989 INFO [stderr] Nov 18 08:03:12.989 INFO [stderr] note: rustc 1.32.0-nightly (2e026d6e5 2018-11-15) running on x86_64-unknown-linux-gnu Nov 18 08:03:12.989 INFO [stderr] Nov 18 08:03:12.989 INFO [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib Nov 18 08:03:12.989 INFO [stderr] Nov 18 08:03:12.989 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Nov 18 08:03:12.989 INFO [stderr] Nov 18 08:03:12.989 INFO [stderr] error: Could not compile `compact`. Nov 18 08:03:12.989 INFO [stderr] warning: build failed, waiting for other jobs to finish... Nov 18 08:03:15.255 INFO [stderr] error: build failed Nov 18 08:03:15.258 INFO [stderr] su: No module specific data is present Nov 18 08:03:15.597 INFO running `"docker" "inspect" "867ae272cfb16bccceb26770db0dfa529cc27c2655b464946bb0c0929db50d6f"` Nov 18 08:03:15.731 INFO running `"docker" "rm" "-f" "867ae272cfb16bccceb26770db0dfa529cc27c2655b464946bb0c0929db50d6f"` Nov 18 08:03:15.903 INFO [stdout] 867ae272cfb16bccceb26770db0dfa529cc27c2655b464946bb0c0929db50d6f