Dec 01 23:07:01.855 INFO documenting Hanaasagi/mepuru against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1 Dec 01 23:07:01.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55318-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/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 +147e60c5f89cfa2d3ffc247413956a37582c98e7-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 01 23:07:02.172 INFO [stdout] f78eafafd6b02e06a4e47726b53293b0ef29776f9a18fd359bbef7676fe0d42d Dec 01 23:07:02.178 INFO running `"docker" "start" "-a" "f78eafafd6b02e06a4e47726b53293b0ef29776f9a18fd359bbef7676fe0d42d"` Dec 01 23:07:02.901 INFO [stderr] usermod: no changes Dec 01 23:07:03.077 INFO [stderr] Compiling syn v0.14.9 Dec 01 23:07:03.077 INFO [stderr] Compiling pyo3 v0.4.1 Dec 01 23:07:22.271 INFO [stderr] Compiling pyo3-derive-backend v0.4.1 Dec 01 23:07:32.135 INFO [stderr] Compiling pyo3cls v0.4.1 Dec 01 23:07:38.756 INFO [stderr] error: internal compiler error: src/librustc/traits/specialize/mod.rs:104: When translating substitutions for specialization, the expected specialization failed to hold Dec 01 23:07:38.756 INFO [stderr] Dec 01 23:07:38.756 INFO [stderr] thread 'main' panicked at 'Box', src/librustc_errors/lib.rs:600:9 Dec 01 23:07:38.756 INFO [stderr] stack backtrace: Dec 01 23:07:38.899 INFO [stderr] 0: 0x7fd4873b0e93 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hcb28dc0c2826de8b Dec 01 23:07:38.911 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 01 23:07:38.911 INFO [stderr] 1: 0x7fd4873a84b8 - std::sys_common::backtrace::_print::hf687e8df1142751b Dec 01 23:07:38.911 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 01 23:07:38.911 INFO [stderr] 2: 0x7fd4873ad832 - std::panicking::default_hook::{{closure}}::h47617f25395f09c5 Dec 01 23:07:38.911 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 01 23:07:38.911 INFO [stderr] at src/libstd/panicking.rs:211 Dec 01 23:07:38.911 INFO [stderr] 3: 0x7fd4873ad59d - std::panicking::default_hook::h4ec0eba8c15486a6 Dec 01 23:07:38.911 INFO [stderr] at src/libstd/panicking.rs:227 Dec 01 23:07:38.911 INFO [stderr] 4: 0x7fd483a26fd1 - rustc::util::common::panic_hook::hc92ca97a4070d226 Dec 01 23:07:38.911 INFO [stderr] 5: 0x7fd4873ae019 - std::panicking::rust_panic_with_hook::h96e1141c0cece827 Dec 01 23:07:38.911 INFO [stderr] at src/libstd/panicking.rs:480 Dec 01 23:07:38.911 INFO [stderr] 6: 0x7fd4825d178c - std::panicking::begin_panic::h9700412d089872d6 Dec 01 23:07:38.911 INFO [stderr] 7: 0x7fd4825e5d3e - rustc_errors::Handler::bug::hb94877ff61e3d454 Dec 01 23:07:38.911 INFO [stderr] 8: 0x7fd48350bb4e - rustc::util::bug::opt_span_bug_fmt::{{closure}}::heae4b1968c9659d4 Dec 01 23:07:38.911 INFO [stderr] 9: 0x7fd48350b3f9 - rustc::ty::context::tls::with_opt::{{closure}}::h52ab72856a6a58fa Dec 01 23:07:38.912 INFO [stderr] 10: 0x7fd483441eef - rustc::ty::context::tls::with_context_opt::hfb59450764c33151 Dec 01 23:07:38.912 INFO [stderr] 11: 0x7fd48350abe6 - rustc::ty::context::tls::with_opt::h04980ed7ee751715 Dec 01 23:07:38.912 INFO [stderr] 12: 0x7fd48385ef64 - rustc::util::bug::opt_span_bug_fmt::hde0ad7bdb86611d5 Dec 01 23:07:38.912 INFO [stderr] 13: 0x7fd48385eed6 - rustc::util::bug::bug_fmt::h73d486a64ad33beb Dec 01 23:07:38.912 INFO [stderr] 14: 0x7fd4833d1e62 - rustc::traits::specialize::translate_substs::{{closure}}::h7f0aa4f2d54f318f Dec 01 23:07:38.912 INFO [stderr] 15: 0x7fd4833d1e05 - rustc::traits::specialize::translate_substs::h1f5ace131cee291c Dec 01 23:07:38.912 INFO [stderr] 16: 0x7fd4834aaa04 - rustc::ty::context::tls::with_related_context::h3799e03abd264c65 Dec 01 23:07:38.912 INFO [stderr] 17: 0x7fd4838c1bd1 - rustc::infer::InferCtxtBuilder::enter::h1ce9f0a8f4c8c854 Dec 01 23:07:38.912 INFO [stderr] 18: 0x7fd4833d250e - rustc::traits::specialize::find_associated_item::hb5a362e023858959 Dec 01 23:07:38.912 INFO [stderr] 19: 0x7fd483393cea - rustc::ty::instance::Instance::resolve::ha7d9b53118776516 Dec 01 23:07:38.912 INFO [stderr] 20: 0x7fd4843b5d94 - rustc_mir::lints::check::h3229c566664e6488 Dec 01 23:07:38.912 INFO [stderr] 21: 0x7fd484674ae6 - rustc::ty::context::tls::with_related_context::hb9b7eff4a5d728e1 Dec 01 23:07:38.913 INFO [stderr] 22: 0x7fd4844a1d7a - rustc::infer::InferCtxtBuilder::enter::ha560569b90d7cba2 Dec 01 23:07:38.913 INFO [stderr] 23: 0x7fd484328803 - rustc_mir::build::mir_build::h7df7540a2546be27 Dec 01 23:07:38.913 INFO [stderr] 24: 0x7fd48462547b - rustc_mir::transform::mir_built::h9fabced57ff3074e Dec 01 23:07:38.913 INFO [stderr] 25: 0x7fd48350c2ec - rustc::ty::query:: for rustc::ty::query::queries::mir_built<'tcx>>::compute::hd2c15489d0e8ae9f Dec 01 23:07:38.913 INFO [stderr] 26: 0x7fd48336169e - rustc::dep_graph::graph::DepGraph::with_task_impl::hc14151ebaf0f9d51 Dec 01 23:07:38.913 INFO [stderr] 27: 0x7fd48349fc59 - rustc::ty::context::tls::with_related_context::h24fc64b8963212da Dec 01 23:07:38.914 INFO [stderr] 28: 0x7fd4836290e9 - rustc::ty::query::plumbing::>::force_query_with_job::hb83b11185aa28e7a Dec 01 23:07:38.914 INFO [stderr] 29: 0x7fd4836856ab - rustc::ty::query::plumbing::>::get_query::h05fd62faa61ba001 Dec 01 23:07:38.914 INFO [stderr] 30: 0x7fd48456944f - rustc_mir::transform::check_unsafety::unsafety_check_result::h01007a4c6d6e5462 Dec 01 23:07:38.914 INFO [stderr] 31: 0x7fd4835dbe3d - rustc::ty::query::__query_compute::unsafety_check_result::h6076edba225bb551 Dec 01 23:07:38.914 INFO [stderr] 32: 0x7fd48350c3b4 - rustc::ty::query:: for rustc::ty::query::queries::unsafety_check_result<'tcx>>::compute::haf9b2adec751b944 Dec 01 23:07:38.914 INFO [stderr] 33: 0x7fd483364514 - rustc::dep_graph::graph::DepGraph::with_task_impl::hcce65a0f24fe3467 Dec 01 23:07:38.914 INFO [stderr] 34: 0x7fd4834a7d8a - rustc::ty::context::tls::with_related_context::h328d5193c9b9f4fa Dec 01 23:07:38.914 INFO [stderr] 35: 0x7fd4836168ee - rustc::ty::query::plumbing::>::force_query_with_job::h5ddf2a527aab5d44 Dec 01 23:07:38.915 INFO [stderr] 36: 0x7fd4836d006b - rustc::ty::query::plumbing::>::get_query::h53e86444c2ce7421 Dec 01 23:07:38.915 INFO [stderr] 37: 0x7fd48378a3c0 - rustc::ty::query::>::unsafety_check_result::he5bdd771f0b5cc9e Dec 01 23:07:38.915 INFO [stderr] 38: 0x7fd4846267cf - rustc_mir::transform::mir_const::h4f560b0aa75e10a6 Dec 01 23:07:38.920 INFO [stderr] 39: 0x7fd48350c31c - rustc::ty::query:: for rustc::ty::query::queries::mir_const<'tcx>>::compute::hb398212e03e282c1 Dec 01 23:07:38.920 INFO [stderr] 40: 0x7fd48336169e - rustc::dep_graph::graph::DepGraph::with_task_impl::hc14151ebaf0f9d51 Dec 01 23:07:38.920 INFO [stderr] 41: 0x7fd4834d0099 - rustc::ty::context::tls::with_related_context::h89ce75e3322f5e5b Dec 01 23:07:38.920 INFO [stderr] 42: 0x7fd48362b9f9 - rustc::ty::query::plumbing::>::force_query_with_job::hc54fac44a580817f Dec 01 23:07:38.920 INFO [stderr] 43: 0x7fd483762fdb - rustc::ty::query::plumbing::>::get_query::he64fa5c26adf37ed Dec 01 23:07:38.920 INFO [stderr] 44: 0x7fd484626ad9 - rustc_mir::transform::mir_validated::h0113e95a02692896 Dec 01 23:07:38.920 INFO [stderr] 45: 0x7fd48350c34c - rustc::ty::query:: for rustc::ty::query::queries::mir_validated<'tcx>>::compute::had8395d9e3a82ac5 Dec 01 23:07:38.920 INFO [stderr] 46: 0x7fd48336169e - rustc::dep_graph::graph::DepGraph::with_task_impl::hc14151ebaf0f9d51 Dec 01 23:07:38.920 INFO [stderr] 47: 0x7fd4834d34d9 - rustc::ty::context::tls::with_related_context::h8c74cecc54e2bee1 Dec 01 23:07:38.920 INFO [stderr] 48: 0x7fd48362c429 - rustc::ty::query::plumbing::>::force_query_with_job::hc813364a8b843835 Dec 01 23:07:38.920 INFO [stderr] 49: 0x7fd4836c3e3b - rustc::ty::query::plumbing::>::get_query::h486e22a3cd9d90cf Dec 01 23:07:38.920 INFO [stderr] 50: 0x7fd48364544c - rustc::ty::query::plumbing::>::ensure_query::hacb28f7671f9d5e4 Dec 01 23:07:38.920 INFO [stderr] 51: 0x7fd484a0fc87 - rustc_borrowck::borrowck::borrowck::h7afb7226b969c020 Dec 01 23:07:38.920 INFO [stderr] 52: 0x7fd48350c54c - rustc::ty::query:: for rustc::ty::query::queries::borrowck<'tcx>>::compute::h09bb880f6acd8bbd Dec 01 23:07:38.920 INFO [stderr] 53: 0x7fd48331eabe - rustc::dep_graph::graph::DepGraph::with_task_impl::h036b538ec3b87f24 Dec 01 23:07:38.920 INFO [stderr] 54: 0x7fd4834b0699 - rustc::ty::context::tls::with_related_context::h439bd47b4a2f8b73 Dec 01 23:07:38.920 INFO [stderr] 55: 0x7fd483605e63 - rustc::ty::query::plumbing::>::force_query_with_job::h0a97e9f5c6079b72 Dec 01 23:07:38.920 INFO [stderr] 56: 0x7fd48370df98 - rustc::ty::query::plumbing::>::get_query::ha09233ebbed76f50 Dec 01 23:07:38.920 INFO [stderr] 57: 0x7fd484a05740 - rustc::ty::>::par_body_owners::hc6633e7f2b24f7ec Dec 01 23:07:38.920 INFO [stderr] 58: 0x7fd484a0f9a7 - rustc_borrowck::borrowck::check_crate::h3b1abda38f980cf8 Dec 01 23:07:38.920 INFO [stderr] 59: 0x7fd4876fcf41 - rustc::util::common::time::h3f8c959effebbfa2 Dec 01 23:07:38.920 INFO [stderr] 60: 0x7fd48777f128 - rustc::ty::context::tls::enter_context::hc9c3a44d2c9bca1c Dec 01 23:07:38.920 INFO [stderr] 61: 0x7fd487749341 - >::with::h2663fa27d6a595fb Dec 01 23:07:38.920 INFO [stderr] 62: 0x7fd4877838c6 - rustc::ty::context::TyCtxt::create_and_enter::h02bd5aeb5ef67624 Dec 01 23:07:38.920 INFO [stderr] 63: 0x7fd4876ce985 - rustc_driver::driver::compile_input::h0536dd74f0aba131 Dec 01 23:07:38.920 INFO [stderr] 64: 0x7fd4877a5d99 - rustc_driver::run_compiler_with_pool::ha170c24fb8bd6766 Dec 01 23:07:38.920 INFO [stderr] 65: 0x7fd4876d71e5 - >::set::h3b9b821dcff7b5b2 Dec 01 23:07:38.920 INFO [stderr] 66: 0x7fd4877a4dda - rustc_driver::run_compiler::h061412bd877b4ac9 Dec 01 23:07:38.920 INFO [stderr] 67: 0x7fd4876e92c8 - syntax::with_globals::h4c69320298e4b1a0 Dec 01 23:07:38.920 INFO [stderr] 68: 0x7fd4873cb209 - __rust_maybe_catch_panic Dec 01 23:07:38.920 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 01 23:07:38.920 INFO [stderr] 69: 0x7fd4877a2ed5 - rustc_driver::run::he23c87a66370824c Dec 01 23:07:38.920 INFO [stderr] 70: 0x7fd4877b0afb - rustc_driver::main::h26455a09a9a45f54 Dec 01 23:07:38.920 INFO [stderr] 71: 0x55ca80f5d922 - std::rt::lang_start::{{closure}}::h5087bb791ae73d9f Dec 01 23:07:38.920 INFO [stderr] 72: 0x7fd4873ad942 - std::panicking::try::do_call::h22d580a2ec5c077f Dec 01 23:07:38.920 INFO [stderr] at src/libstd/rt.rs:59 Dec 01 23:07:38.920 INFO [stderr] at src/libstd/panicking.rs:310 Dec 01 23:07:38.920 INFO [stderr] 73: 0x7fd4873cb209 - __rust_maybe_catch_panic Dec 01 23:07:38.920 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 01 23:07:38.920 INFO [stderr] 74: 0x7fd4873ae3d3 - std::rt::lang_start_internal::h49c34c0a10516ec8 Dec 01 23:07:38.920 INFO [stderr] at src/libstd/panicking.rs:289 Dec 01 23:07:38.920 INFO [stderr] at src/libstd/panic.rs:398 Dec 01 23:07:38.920 INFO [stderr] at src/libstd/rt.rs:58 Dec 01 23:07:38.920 INFO [stderr] 75: 0x55ca80f5d981 - main Dec 01 23:07:38.920 INFO [stderr] 76: 0x7fd486f9c82f - __libc_start_main Dec 01 23:07:38.920 INFO [stderr] 77: 0x55ca80f5d808 - Dec 01 23:07:38.920 INFO [stderr] query stack during panic: Dec 01 23:07:38.920 INFO [stderr] #0 [mir_built] processing `freelist:: for T>::dealloc` Dec 01 23:07:38.920 INFO [stderr] #1 [unsafety_check_result] processing `freelist:: for T>::dealloc` Dec 01 23:07:38.920 INFO [stderr] #2 [mir_const] processing `freelist:: for T>::dealloc` Dec 01 23:07:38.920 INFO [stderr] #3 [mir_validated] processing `freelist:: for T>::dealloc` Dec 01 23:07:38.924 INFO [stderr] #4 [borrowck] processing `freelist:: for T>::dealloc` Dec 01 23:07:38.924 INFO [stderr] end of query stack Dec 01 23:07:38.949 INFO [stderr] error: aborting due to previous error Dec 01 23:07:38.949 INFO [stderr] Dec 01 23:07:38.949 INFO [stderr] Dec 01 23:07:38.949 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Dec 01 23:07:38.949 INFO [stderr] Dec 01 23:07:38.949 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Dec 01 23:07:38.949 INFO [stderr] Dec 01 23:07:38.949 INFO [stderr] note: rustc 1.32.0-nightly (147e60c5f 2018-11-29) running on x86_64-unknown-linux-gnu Dec 01 23:07:38.949 INFO [stderr] Dec 01 23:07:38.949 INFO [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib Dec 01 23:07:38.949 INFO [stderr] Dec 01 23:07:38.949 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Dec 01 23:07:38.949 INFO [stderr] Dec 01 23:07:38.963 INFO [stderr] error: Could not compile `pyo3`. Dec 01 23:07:38.963 INFO [stderr] Dec 01 23:07:38.963 INFO [stderr] To learn more, run the command again with --verbose. Dec 01 23:07:38.969 INFO [stderr] su: No module specific data is present Dec 01 23:07:39.664 INFO running `"docker" "inspect" "f78eafafd6b02e06a4e47726b53293b0ef29776f9a18fd359bbef7676fe0d42d"` Dec 01 23:07:39.870 INFO running `"docker" "rm" "-f" "f78eafafd6b02e06a4e47726b53293b0ef29776f9a18fd359bbef7676fe0d42d"` Dec 01 23:07:40.148 INFO [stdout] f78eafafd6b02e06a4e47726b53293b0ef29776f9a18fd359bbef7676fe0d42d