Nov 27 21:06:46.993 INFO documenting hhatto/fpath against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318 Nov 27 21:06:46.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-6/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-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"` Nov 27 21:06:47.551 INFO [stdout] 04dc9638fff28eea455bef30a491dbe89c46c1872c0c6527d75d9fc61ee03753 Nov 27 21:06:47.559 INFO running `"docker" "start" "-a" "04dc9638fff28eea455bef30a491dbe89c46c1872c0c6527d75d9fc61ee03753"` Nov 27 21:06:49.050 INFO [stderr] usermod: no changes Nov 27 21:06:49.171 INFO [stderr] Compiling proc-macro-hack-impl v0.4.1 Nov 27 21:06:49.173 INFO [stderr] Checking users v0.6.1 Nov 27 21:06:49.173 INFO [stderr] Compiling syn v0.14.9 Nov 27 21:06:49.173 INFO [stderr] Compiling regex v1.0.5 Nov 27 21:06:55.068 INFO [stderr] Compiling proc-macro-hack v0.4.1 Nov 27 21:06:55.343 INFO [stderr] Compiling mashup-impl v0.1.7 Nov 27 21:07:07.210 INFO [stderr] Checking mashup v0.1.7 Nov 27 21:07:08.677 INFO [stderr] Compiling pyo3 v0.4.1 Nov 27 21:07:29.282 INFO [stderr] Compiling pyo3-derive-backend v0.4.1 Nov 27 21:07:43.767 INFO [stderr] Compiling pyo3cls v0.4.1 Nov 27 21:07:50.875 INFO [stderr] error: internal compiler error: src/librustc/traits/specialize/mod.rs:104: When translating substitutions for specialization, the expected specialization failed to hold Nov 27 21:07:50.875 INFO [stderr] Nov 27 21:07:50.875 INFO [stderr] thread 'main' panicked at 'Box', src/librustc_errors/lib.rs:600:9 Nov 27 21:07:50.895 INFO [stderr] stack backtrace: Nov 27 21:07:51.031 INFO [stderr] 0: 0x7f19b6c2cd93 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hac358e6bc887c885 Nov 27 21:07:51.040 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 27 21:07:51.041 INFO [stderr] 1: 0x7f19b6c243e8 - std::sys_common::backtrace::_print::h31be9c34e09c361a Nov 27 21:07:51.041 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Nov 27 21:07:51.041 INFO [stderr] 2: 0x7f19b6c29732 - std::panicking::default_hook::{{closure}}::h0032c5b31994326d Nov 27 21:07:51.041 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Nov 27 21:07:51.041 INFO [stderr] at src/libstd/panicking.rs:211 Nov 27 21:07:51.043 INFO [stderr] 3: 0x7f19b6c2949d - std::panicking::default_hook::h41e7a2981c218f63 Nov 27 21:07:51.043 INFO [stderr] at src/libstd/panicking.rs:227 Nov 27 21:07:51.043 INFO [stderr] 4: 0x7f19b32a44c1 - rustc::util::common::panic_hook::hbaeb0c4238a9c76b Nov 27 21:07:51.043 INFO [stderr] 5: 0x7f19b6c29f19 - std::panicking::rust_panic_with_hook::hb140f4fdb6d9a2ce Nov 27 21:07:51.043 INFO [stderr] at src/libstd/panicking.rs:480 Nov 27 21:07:51.043 INFO [stderr] 6: 0x7f19b1e4087c - std::panicking::begin_panic::heb663a8e632d3891 Nov 27 21:07:51.043 INFO [stderr] 7: 0x7f19b1e54dee - rustc_errors::Handler::bug::h9a8de6f10356384a Nov 27 21:07:51.043 INFO [stderr] 8: 0x7f19b2d88cee - rustc::util::bug::opt_span_bug_fmt::{{closure}}::hefbed9bfc93266bf Nov 27 21:07:51.043 INFO [stderr] 9: 0x7f19b2d88959 - rustc::ty::context::tls::with_opt::{{closure}}::ha3c16dc25cb8205f Nov 27 21:07:51.043 INFO [stderr] 10: 0x7f19b2cbeeef - rustc::ty::context::tls::with_context_opt::hb806fc7be07ace30 Nov 27 21:07:51.045 INFO [stderr] 11: 0x7f19b2d87e56 - rustc::ty::context::tls::with_opt::h3dbed21be02116e8 Nov 27 21:07:51.045 INFO [stderr] 12: 0x7f19b30d5dc4 - rustc::util::bug::opt_span_bug_fmt::hec06b6d01377c5c3 Nov 27 21:07:51.045 INFO [stderr] 13: 0x7f19b30d5d36 - rustc::util::bug::bug_fmt::h31b2d7b150a438e0 Nov 27 21:07:51.045 INFO [stderr] 14: 0x7f19b2c9d7a2 - rustc::traits::specialize::translate_substs::{{closure}}::h60016fb89d652a34 Nov 27 21:07:51.045 INFO [stderr] 15: 0x7f19b2c9d745 - rustc::traits::specialize::translate_substs::hb0cfed81cc625261 Nov 27 21:07:51.045 INFO [stderr] 16: 0x7f19b2d33c24 - rustc::ty::context::tls::with_related_context::h55734bbe60cb1096 Nov 27 21:07:51.045 INFO [stderr] 17: 0x7f19b313ffd1 - rustc::infer::InferCtxtBuilder::enter::hbf68d9834f09e05a Nov 27 21:07:51.045 INFO [stderr] 18: 0x7f19b2c9de4e - rustc::traits::specialize::find_associated_item::h0441fe4e4813f40e Nov 27 21:07:51.045 INFO [stderr] 19: 0x7f19b2c08e2a - rustc::ty::instance::Instance::resolve::h782e8f0dd36098fd Nov 27 21:07:51.045 INFO [stderr] 20: 0x7f19b3c36cd4 - rustc_mir::lints::check::h75de663c844c79c2 Nov 27 21:07:51.045 INFO [stderr] 21: 0x7f19b3ef6c16 - rustc::ty::context::tls::with_related_context::hd280d30e19871409 Nov 27 21:07:51.045 INFO [stderr] 22: 0x7f19b3d22b3a - rustc::infer::InferCtxtBuilder::enter::h731b8fe18676e78c Nov 27 21:07:51.045 INFO [stderr] 23: 0x7f19b3ba9723 - rustc_mir::build::mir_build::h4ef97def060cb647 Nov 27 21:07:51.045 INFO [stderr] 24: 0x7f19b3ea4b4b - rustc_mir::transform::mir_built::h729a2606328dde68 Nov 27 21:07:51.045 INFO [stderr] 25: 0x7f19b2d8948c - rustc::ty::query:: for rustc::ty::query::queries::mir_built<'tcx>>::compute::h2e444cdee32f4cc1 Nov 27 21:07:51.047 INFO [stderr] 26: 0x7f19b2b9bd6e - rustc::dep_graph::graph::DepGraph::with_task_impl::h211fc07f1d181aa3 Nov 27 21:07:51.048 INFO [stderr] 27: 0x7f19b2d1a539 - rustc::ty::context::tls::with_related_context::h2033a56e6fc897f7 Nov 27 21:07:51.048 INFO [stderr] 28: 0x7f19b2e8c919 - rustc::ty::query::plumbing::>::force_query_with_job::h51f7af6be3a23a40 Nov 27 21:07:51.048 INFO [stderr] 29: 0x7f19b2f9d48b - rustc::ty::query::plumbing::>::get_query::hb18e7bebf8da3067 Nov 27 21:07:51.048 INFO [stderr] 30: 0x7f19b3dd2d4f - rustc_mir::transform::check_unsafety::unsafety_check_result::h0adb43262017550f Nov 27 21:07:51.048 INFO [stderr] 31: 0x7f19b30ef7bd - rustc::ty::query::__query_compute::unsafety_check_result::hdd13b432d2590f32 Nov 27 21:07:51.048 INFO [stderr] 32: 0x7f19b2d89554 - rustc::ty::query:: for rustc::ty::query::queries::unsafety_check_result<'tcx>>::compute::h45e13b4e9b3fd737 Nov 27 21:07:51.048 INFO [stderr] 33: 0x7f19b2bb94e4 - rustc::dep_graph::graph::DepGraph::with_task_impl::h744b26c68ae28559 Nov 27 21:07:51.048 INFO [stderr] 34: 0x7f19b2d23f3a - rustc::ty::context::tls::with_related_context::h359cb3da5bd68564 Nov 27 21:07:51.048 INFO [stderr] 35: 0x7f19b2e92abe - rustc::ty::query::plumbing::>::force_query_with_job::h7c08788ef57d6e2b Nov 27 21:07:51.048 INFO [stderr] 36: 0x7f19b2fdd15b - rustc::ty::query::plumbing::>::get_query::hf42bc42d672697d5 Nov 27 21:07:51.048 INFO [stderr] 37: 0x7f19b2fff580 - rustc::ty::query::>::unsafety_check_result::h6296114908c99631 Nov 27 21:07:51.048 INFO [stderr] 38: 0x7f19b3ea5eff - rustc_mir::transform::mir_const::h1a55502c42884318 Nov 27 21:07:51.048 INFO [stderr] 39: 0x7f19b2d894bc - rustc::ty::query:: for rustc::ty::query::queries::mir_const<'tcx>>::compute::h1bda4c4403f1c22b Nov 27 21:07:51.048 INFO [stderr] 40: 0x7f19b2b9bd6e - rustc::dep_graph::graph::DepGraph::with_task_impl::h211fc07f1d181aa3 Nov 27 21:07:51.050 INFO [stderr] 41: 0x7f19b2d13dc9 - rustc::ty::context::tls::with_related_context::h118dfad803a43a68 Nov 27 21:07:51.050 INFO [stderr] 42: 0x7f19b2e824c9 - rustc::ty::query::plumbing::>::force_query_with_job::h2a5d6278245c1d70 Nov 27 21:07:51.050 INFO [stderr] 43: 0x7f19b2f7cb8b - rustc::ty::query::plumbing::>::get_query::h7fc4f98f87bad9c2 Nov 27 21:07:51.051 INFO [stderr] 44: 0x7f19b3ea6209 - rustc_mir::transform::mir_validated::h954bfdcc9915d357 Nov 27 21:07:51.051 INFO [stderr] 45: 0x7f19b2d894ec - rustc::ty::query:: for rustc::ty::query::queries::mir_validated<'tcx>>::compute::h5535ec27ef88c42d Nov 27 21:07:51.051 INFO [stderr] 46: 0x7f19b2b9bd6e - rustc::dep_graph::graph::DepGraph::with_task_impl::h211fc07f1d181aa3 Nov 27 21:07:51.051 INFO [stderr] 47: 0x7f19b2d1fb89 - rustc::ty::context::tls::with_related_context::h2c4d6654b6c153ec Nov 27 21:07:51.051 INFO [stderr] 48: 0x7f19b2e7e2f9 - rustc::ty::query::plumbing::>::force_query_with_job::h144ef6c7aabd2ef4 Nov 27 21:07:51.051 INFO [stderr] 49: 0x7f19b2f7439b - rustc::ty::query::plumbing::>::get_query::h724ace00309f4b29 Nov 27 21:07:51.051 INFO [stderr] 50: 0x7f19b2eb765c - rustc::ty::query::plumbing::>::ensure_query::h743c60155b78dae4 Nov 27 21:07:51.051 INFO [stderr] 51: 0x7f19b428ecd7 - rustc_borrowck::borrowck::borrowck::hbc31456c5b757b4d Nov 27 21:07:51.051 INFO [stderr] 52: 0x7f19b2d896ec - rustc::ty::query:: for rustc::ty::query::queries::borrowck<'tcx>>::compute::h11947017b2120270 Nov 27 21:07:51.051 INFO [stderr] 53: 0x7f19b2bc0a9e - rustc::dep_graph::graph::DepGraph::with_task_impl::h88936e33857a1057 Nov 27 21:07:51.051 INFO [stderr] 54: 0x7f19b2d6a099 - rustc::ty::context::tls::with_related_context::hc77bbe80c71ae93d Nov 27 21:07:51.051 INFO [stderr] 55: 0x7f19b2e8b9e3 - rustc::ty::query::plumbing::>::force_query_with_job::h514c46f10292037d Nov 27 21:07:51.053 INFO [stderr] 56: 0x7f19b2f200d8 - rustc::ty::query::plumbing::>::get_query::h2495e18b35fbfe03 Nov 27 21:07:51.053 INFO [stderr] 57: 0x7f19b4284690 - rustc::ty::>::par_body_owners::hf56d37c8b421bf17 Nov 27 21:07:51.053 INFO [stderr] 58: 0x7f19b428e9f7 - rustc_borrowck::borrowck::check_crate::hdded68d8ac9df210 Nov 27 21:07:51.053 INFO [stderr] 59: 0x7f19b6f77ba1 - rustc::util::common::time::h3cb15aa3f985de9f Nov 27 21:07:51.053 INFO [stderr] 60: 0x7f19b6ff7a58 - rustc::ty::context::tls::enter_context::hbb081cb6c6855690 Nov 27 21:07:51.053 INFO [stderr] 61: 0x7f19b6fc4b31 - >::with::h558620d70fe16a80 Nov 27 21:07:51.053 INFO [stderr] 62: 0x7f19b70014ef - rustc::ty::context::TyCtxt::create_and_enter::hbdbd902ed1f24e1c Nov 27 21:07:51.053 INFO [stderr] 63: 0x7f19b6f48c2b - rustc_driver::driver::compile_input::h5aecaf18c5ff933a Nov 27 21:07:51.053 INFO [stderr] 64: 0x7f19b701dfc9 - rustc_driver::run_compiler_with_pool::he95e23fc87505bc8 Nov 27 21:07:51.053 INFO [stderr] 65: 0x7f19b6f52a25 - >::set::h31be304759ddc5f7 Nov 27 21:07:51.053 INFO [stderr] 66: 0x7f19b701d00a - rustc_driver::run_compiler::h387695d9407d3ac5 Nov 27 21:07:51.054 INFO [stderr] 67: 0x7f19b6f643c8 - syntax::with_globals::hd61d4b32e0c4b3f6 Nov 27 21:07:51.054 INFO [stderr] 68: 0x7f19b6c47109 - __rust_maybe_catch_panic Nov 27 21:07:51.054 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Nov 27 21:07:51.054 INFO [stderr] 69: 0x7f19b701b105 - rustc_driver::run::h55f3f2f0c0878f3c Nov 27 21:07:51.054 INFO [stderr] 70: 0x7f19b7028d0b - rustc_driver::main::h1df330399d02197c Nov 27 21:07:51.057 INFO [stderr] 71: 0x5611a2caf922 - std::rt::lang_start::{{closure}}::h0aec09edba167472 Nov 27 21:07:51.057 INFO [stderr] 72: 0x7f19b6c29842 - std::panicking::try::do_call::h555b51a0211e67f9 Nov 27 21:07:51.057 INFO [stderr] at src/libstd/rt.rs:59 Nov 27 21:07:51.057 INFO [stderr] at src/libstd/panicking.rs:310 Nov 27 21:07:51.057 INFO [stderr] 73: 0x7f19b6c47109 - __rust_maybe_catch_panic Nov 27 21:07:51.057 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Nov 27 21:07:51.057 INFO [stderr] 74: 0x7f19b6c2a2d3 - std::rt::lang_start_internal::hd813cfef8b4c7902 Nov 27 21:07:51.057 INFO [stderr] at src/libstd/panicking.rs:289 Nov 27 21:07:51.057 INFO [stderr] at src/libstd/panic.rs:398 Nov 27 21:07:51.057 INFO [stderr] at src/libstd/rt.rs:58 Nov 27 21:07:51.057 INFO [stderr] 75: 0x5611a2caf981 - main Nov 27 21:07:51.057 INFO [stderr] 76: 0x7f19b681882f - __libc_start_main Nov 27 21:07:51.057 INFO [stderr] 77: 0x5611a2caf808 - Nov 27 21:07:51.057 INFO [stderr] query stack during panic: Nov 27 21:07:51.057 INFO [stderr] #0 [mir_built] processing `freelist:: for T>::dealloc` Nov 27 21:07:51.057 INFO [stderr] #1 [unsafety_check_result] processing `freelist:: for T>::dealloc` Nov 27 21:07:51.057 INFO [stderr] #2 [mir_const] processing `freelist:: for T>::dealloc` Nov 27 21:07:51.057 INFO [stderr] #3 [mir_validated] processing `freelist:: for T>::dealloc` Nov 27 21:07:51.057 INFO [stderr] #4 [borrowck] processing `freelist:: for T>::dealloc` Nov 27 21:07:51.057 INFO [stderr] end of query stack Nov 27 21:07:51.095 INFO [stderr] error: aborting due to previous error Nov 27 21:07:51.095 INFO [stderr] Nov 27 21:07:51.096 INFO [stderr] Nov 27 21:07:51.096 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Nov 27 21:07:51.096 INFO [stderr] Nov 27 21:07:51.096 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Nov 27 21:07:51.096 INFO [stderr] Nov 27 21:07:51.096 INFO [stderr] note: rustc 1.32.0-nightly (f5a0bd723 2018-11-27) running on x86_64-unknown-linux-gnu Nov 27 21:07:51.096 INFO [stderr] Nov 27 21:07:51.096 INFO [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib Nov 27 21:07:51.096 INFO [stderr] Nov 27 21:07:51.096 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Nov 27 21:07:51.099 INFO [stderr] Nov 27 21:07:51.121 INFO [stderr] error: Could not compile `pyo3`. Nov 27 21:07:51.121 INFO [stderr] Nov 27 21:07:51.121 INFO [stderr] To learn more, run the command again with --verbose. Nov 27 21:07:51.123 INFO [stderr] su: No module specific data is present Nov 27 21:07:51.595 INFO running `"docker" "inspect" "04dc9638fff28eea455bef30a491dbe89c46c1872c0c6527d75d9fc61ee03753"` Nov 27 21:07:51.843 INFO running `"docker" "rm" "-f" "04dc9638fff28eea455bef30a491dbe89c46c1872c0c6527d75d9fc61ee03753"` Nov 27 21:07:52.062 INFO [stdout] 04dc9638fff28eea455bef30a491dbe89c46c1872c0c6527d75d9fc61ee03753