Nov 17 01:20:02.720 INFO testing hhatto/fpath against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982 Nov 17 01:20:02.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17 01:20:03.233 INFO [stdout] bc02ce92c97db48ae503b34ff966e0a2a96234a9dcec2da22e6b54b311b96be2 Nov 17 01:20:03.239 INFO running `"docker" "start" "-a" "bc02ce92c97db48ae503b34ff966e0a2a96234a9dcec2da22e6b54b311b96be2"` Nov 17 01:20:05.158 INFO [stderr] usermod: no changes Nov 17 01:20:05.315 INFO [stderr] Compiling spin v0.4.9 Nov 17 01:20:05.316 INFO [stderr] Compiling shellexpand v1.0.0 Nov 17 01:20:05.320 INFO [stderr] Compiling users v0.6.1 Nov 17 01:20:05.320 INFO [stderr] Compiling mashup-impl v0.1.7 Nov 17 01:20:05.320 INFO [stderr] Compiling syn v0.14.9 Nov 17 01:20:05.321 INFO [stderr] Compiling pyo3 v0.4.1 Nov 17 01:20:15.803 INFO [stderr] Compiling mashup v0.1.7 Nov 17 01:20:35.092 INFO [stderr] Compiling pyo3-derive-backend v0.4.1 Nov 17 01:20:49.627 INFO [stderr] Compiling pyo3cls v0.4.1 Nov 17 01:20:56.558 INFO [stderr] error: internal compiler error: librustc/traits/specialize/mod.rs:104: When translating substitutions for specialization, the expected specialization failed to hold Nov 17 01:20:56.558 INFO [stderr] Nov 17 01:20:56.558 INFO [stderr] thread 'main' panicked at 'Box', librustc_errors/lib.rs:600:9 Nov 17 01:20:56.583 INFO [stderr] stack backtrace: Nov 17 01:20:56.726 INFO [stderr] 0: 0x7fe468d24bc3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h1a944b80a560daa8 Nov 17 01:20:56.737 INFO [stderr] at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 17 01:20:56.737 INFO [stderr] 1: 0x7fe468d1c2a8 - std::sys_common::backtrace::_print::h18f735b4c3a49bdb Nov 17 01:20:56.737 INFO [stderr] at libstd/sys_common/backtrace.rs:71 Nov 17 01:20:56.737 INFO [stderr] 2: 0x7fe468d21594 - std::panicking::default_hook::{{closure}}::h97ab3548a215c097 Nov 17 01:20:56.739 INFO [stderr] at libstd/sys_common/backtrace.rs:59 Nov 17 01:20:56.739 INFO [stderr] at libstd/panicking.rs:211 Nov 17 01:20:56.739 INFO [stderr] 3: 0x7fe468d212fd - std::panicking::default_hook::h98c2a01ef734e4b0 Nov 17 01:20:56.739 INFO [stderr] at libstd/panicking.rs:227 Nov 17 01:20:56.740 INFO [stderr] 4: 0x7fe46523ad01 - rustc::util::common::panic_hook::hb5e29ad6fd71b050 Nov 17 01:20:56.740 INFO [stderr] 5: 0x7fe468d21d79 - std::panicking::rust_panic_with_hook::hb4b3f28eb79ea752 Nov 17 01:20:56.740 INFO [stderr] at libstd/panicking.rs:480 Nov 17 01:20:56.740 INFO [stderr] 6: 0x7fe463eeee5f - std::panicking::begin_panic::h7ef6fd596694c296 Nov 17 01:20:56.740 INFO [stderr] 7: 0x7fe463f02321 - rustc_errors::Handler::bug::h63b08e71551a0e28 Nov 17 01:20:56.741 INFO [stderr] 8: 0x7fe464e292be - rustc::util::bug::opt_span_bug_fmt::{{closure}}::h2387ef8c3e2e91a0 Nov 17 01:20:56.742 INFO [stderr] 9: 0x7fe464e28d19 - rustc::ty::context::tls::with_opt::{{closure}}::h2e63a66280edd362 Nov 17 01:20:56.742 INFO [stderr] 10: 0x7fe464d5c7cf - rustc::ty::context::tls::with_context_opt::h7c7e9f53c7d229fa Nov 17 01:20:56.743 INFO [stderr] 11: 0x7fe464e28726 - rustc::ty::context::tls::with_opt::h73995c506ee3b8c8 Nov 17 01:20:56.744 INFO [stderr] 12: 0x7fe465180814 - rustc::util::bug::opt_span_bug_fmt::hebb75c48afb74c3d Nov 17 01:20:56.744 INFO [stderr] 13: 0x7fe465180786 - rustc::util::bug::bug_fmt::hb90693c3e043645a Nov 17 01:20:56.744 INFO [stderr] 14: 0x7fe464cf1122 - rustc::traits::specialize::translate_substs::{{closure}}::h4070a25449e9d6d8 Nov 17 01:20:56.745 INFO [stderr] 15: 0x7fe464cf10c5 - rustc::traits::specialize::translate_substs::hfab5aa8002015e89 Nov 17 01:20:56.745 INFO [stderr] 16: 0x7fe464dbd54f - rustc::ty::context::tls::with_related_context::h2553f640ac05d696 Nov 17 01:20:56.745 INFO [stderr] 17: 0x7fe4651e3fc1 - rustc::infer::InferCtxtBuilder::enter::hdc09406465bcc6aa Nov 17 01:20:56.745 INFO [stderr] 18: 0x7fe464cf17ce - rustc::traits::specialize::find_associated_item::h3c656c8a4afa2218 Nov 17 01:20:56.746 INFO [stderr] 19: 0x7fe464bef0a3 - rustc::ty::instance::Instance::resolve::hb853eaffbc44f5a3 Nov 17 01:20:56.746 INFO [stderr] 20: 0x7fe465ceb2ad - rustc_mir::lints::check::h98840a00de7f88e1 Nov 17 01:20:56.746 INFO [stderr] 21: 0x7fe465c3ca1b - rustc::ty::context::tls::with_related_context::hf7b03df637af88f0 Nov 17 01:20:56.747 INFO [stderr] 22: 0x7fe465e48dea - rustc::infer::InferCtxtBuilder::enter::h009ad40edfff39e8 Nov 17 01:20:56.747 INFO [stderr] 23: 0x7fe465cbd176 - rustc_mir::build::mir_build::hc39a33c8ffd0e8a1 Nov 17 01:20:56.748 INFO [stderr] 24: 0x7fe465f918ed - rustc_mir::transform::mir_built::hff6d12eb16b09a8e Nov 17 01:20:56.748 INFO [stderr] 25: 0x7fe464efee45 - rustc::ty::query::__query_compute::mir_built::ha6af47a7c18eb543 Nov 17 01:20:56.748 INFO [stderr] 26: 0x7fe464e29a4c - rustc::ty::query:: for rustc::ty::query::queries::mir_built<'tcx>>::compute::hbaf9cd312a482e41 Nov 17 01:20:56.748 INFO [stderr] 27: 0x7fe464c4389b - rustc::dep_graph::graph::DepGraph::with_task_impl::h2f64233ab5446c01 Nov 17 01:20:56.749 INFO [stderr] 28: 0x7fe464dce889 - rustc::ty::context::tls::with_related_context::h472a9cb957aa713b Nov 17 01:20:56.749 INFO [stderr] 29: 0x7fe464f354dd - rustc::ty::query::plumbing::>::force_query_with_job::h4a99472f0019ae61 Nov 17 01:20:56.749 INFO [stderr] 30: 0x7fe4650076f8 - rustc::ty::query::plumbing::>::get_query::h638fc43aa06b1a80 Nov 17 01:20:56.750 INFO [stderr] 31: 0x7fe4650a8f0e - rustc::ty::query::>::mir_built::h7a51091492b3c75d Nov 17 01:20:56.750 INFO [stderr] 32: 0x7fe465ed9780 - rustc_mir::transform::check_unsafety::unsafety_check_result::he1ca3bd1eb346138 Nov 17 01:20:56.750 INFO [stderr] 33: 0x7fe464eff18d - rustc::ty::query::__query_compute::unsafety_check_result::hf7113c813ef79481 Nov 17 01:20:56.751 INFO [stderr] 34: 0x7fe464e29b14 - rustc::ty::query:: for rustc::ty::query::queries::unsafety_check_result<'tcx>>::compute::hb03a9bd1d0c90fbc Nov 17 01:20:56.751 INFO [stderr] 35: 0x7fe464c462cb - rustc::dep_graph::graph::DepGraph::with_task_impl::h41a7762646083074 Nov 17 01:20:56.751 INFO [stderr] 36: 0x7fe464e089ea - rustc::ty::context::tls::with_related_context::hcd740805e49a0646 Nov 17 01:20:56.751 INFO [stderr] 37: 0x7fe464f2c325 - rustc::ty::query::plumbing::>::force_query_with_job::h1c52030bba5999d9 Nov 17 01:20:56.752 INFO [stderr] 38: 0x7fe465030188 - rustc::ty::query::plumbing::>::get_query::h9c7974d955f391b0 Nov 17 01:20:56.752 INFO [stderr] 39: 0x7fe4650a9002 - rustc::ty::query::>::unsafety_check_result::h895665dd3f7ec10b Nov 17 01:20:56.752 INFO [stderr] 40: 0x7fe465f92d4f - rustc_mir::transform::mir_const::ha0a0281d915009a3 Nov 17 01:20:56.753 INFO [stderr] 41: 0x7fe464efef15 - rustc::ty::query::__query_compute::mir_const::h6a198906c2128e71 Nov 17 01:20:56.753 INFO [stderr] 42: 0x7fe464e29a7c - rustc::ty::query:: for rustc::ty::query::queries::mir_const<'tcx>>::compute::hda59e829f667ee64 Nov 17 01:20:56.753 INFO [stderr] 43: 0x7fe464c4389b - rustc::dep_graph::graph::DepGraph::with_task_impl::h2f64233ab5446c01 Nov 17 01:20:56.754 INFO [stderr] 44: 0x7fe464df9cb9 - rustc::ty::context::tls::with_related_context::ha965670269f2afb5 Nov 17 01:20:56.754 INFO [stderr] 45: 0x7fe464f4d72d - rustc::ty::query::plumbing::>::force_query_with_job::hb23b241d235f9a1a Nov 17 01:20:56.754 INFO [stderr] 46: 0x7fe46505b498 - rustc::ty::query::plumbing::>::get_query::hc5186672e4962208 Nov 17 01:20:56.754 INFO [stderr] 47: 0x7fe4650a8f2e - rustc::ty::query::>::mir_const::hcf1b757fb516764d Nov 17 01:20:56.755 INFO [stderr] 48: 0x7fe465f93069 - rustc_mir::transform::mir_validated::hc80a5aea0410e86d Nov 17 01:20:56.755 INFO [stderr] 49: 0x7fe464efefe5 - rustc::ty::query::__query_compute::mir_validated::h7c1a7e085a7e2980 Nov 17 01:20:56.755 INFO [stderr] 50: 0x7fe464e29aac - rustc::ty::query:: for rustc::ty::query::queries::mir_validated<'tcx>>::compute::h13b0fc7eddbd8971 Nov 17 01:20:56.756 INFO [stderr] 51: 0x7fe464c4389b - rustc::dep_graph::graph::DepGraph::with_task_impl::h2f64233ab5446c01 Nov 17 01:20:56.756 INFO [stderr] 52: 0x7fe464defc09 - rustc::ty::context::tls::with_related_context::h92935a1ca2dec43a Nov 17 01:20:56.756 INFO [stderr] 53: 0x7fe464f3500d - rustc::ty::query::plumbing::>::force_query_with_job::h4a96267828bec583 Nov 17 01:20:56.757 INFO [stderr] 54: 0x7fe464fc8a18 - rustc::ty::query::plumbing::>::get_query::h28425ad1d10ecf17 Nov 17 01:20:56.757 INFO [stderr] 55: 0x7fe464f5cc23 - rustc::ty::query::plumbing::>::ensure_query::h04c90d18d13d996a Nov 17 01:20:56.757 INFO [stderr] 56: 0x7fe46635a647 - rustc_borrowck::borrowck::borrowck::ha8fa6f51545ed42e Nov 17 01:20:56.758 INFO [stderr] 57: 0x7fe464e29cac - rustc::ty::query:: for rustc::ty::query::queries::borrowck<'tcx>>::compute::h888be5eb08672852 Nov 17 01:20:56.758 INFO [stderr] 58: 0x7fe464c36c8c - rustc::dep_graph::graph::DepGraph::with_task_impl::h0fcf613d92a97b14 Nov 17 01:20:56.758 INFO [stderr] 59: 0x7fe464db5ee9 - rustc::ty::context::tls::with_related_context::h1adc9a64b1d1e0be Nov 17 01:20:56.759 INFO [stderr] 60: 0x7fe464f359ad - rustc::ty::query::plumbing::>::force_query_with_job::h4b3c4745ea20085b Nov 17 01:20:56.759 INFO [stderr] 61: 0x7fe464fe8263 - rustc::ty::query::plumbing::>::get_query::h48acfc8d2ba23449 Nov 17 01:20:56.759 INFO [stderr] 62: 0x7fe46634fdf0 - rustc::ty::>::par_body_owners::h4a264c4ac971bbe3 Nov 17 01:20:56.759 INFO [stderr] 63: 0x7fe46635a367 - rustc_borrowck::borrowck::check_crate::h8726f2efc7de4fb8 Nov 17 01:20:56.760 INFO [stderr] 64: 0x7fe469041951 - rustc::util::common::time::h0bca997e47133732 Nov 17 01:20:56.760 INFO [stderr] 65: 0x7fe4690e5a38 - rustc::ty::context::tls::enter_context::hc4aedfc69e878bb7 Nov 17 01:20:56.761 INFO [stderr] 66: 0x7fe4690b1b61 - >::with::h5cfc5d6fcd906100 Nov 17 01:20:56.761 INFO [stderr] 67: 0x7fe4690e7534 - rustc::ty::context::TyCtxt::create_and_enter::h229a5c83170a761b Nov 17 01:20:56.761 INFO [stderr] 68: 0x7fe469031cb5 - rustc_driver::driver::compile_input::he297a15e57e30db3 Nov 17 01:20:56.761 INFO [stderr] 69: 0x7fe46910eba4 - rustc_driver::run_compiler_with_pool::h9b052a98e4f92d31 Nov 17 01:20:56.762 INFO [stderr] 70: 0x7fe469067ca5 - >::set::h87c1f35d3adfbc69 Nov 17 01:20:56.762 INFO [stderr] 71: 0x7fe46910dbca - rustc_driver::run_compiler::hba288dcb71bd54e2 Nov 17 01:20:56.762 INFO [stderr] 72: 0x7fe469081088 - syntax::with_globals::h13598d689339c042 Nov 17 01:20:56.762 INFO [stderr] 73: 0x7fe468d3f049 - __rust_maybe_catch_panic Nov 17 01:20:56.763 INFO [stderr] at libpanic_unwind/lib.rs:102 Nov 17 01:20:56.763 INFO [stderr] 74: 0x7fe46910bc85 - rustc_driver::run::h7ef088d70c6d91bc Nov 17 01:20:56.764 INFO [stderr] 75: 0x7fe46911982b - rustc_driver::main::h0ded803a26ea2d5b Nov 17 01:20:56.764 INFO [stderr] 76: 0x55e69ad82922 - std::rt::lang_start::{{closure}}::hb8ebd9104f4a0cf2 Nov 17 01:20:56.764 INFO [stderr] 77: 0x7fe468d216a2 - std::panicking::try::do_call::h07625587b70304eb Nov 17 01:20:56.764 INFO [stderr] at libstd/rt.rs:59 Nov 17 01:20:56.764 INFO [stderr] at libstd/panicking.rs:310 Nov 17 01:20:56.764 INFO [stderr] 78: 0x7fe468d3f049 - __rust_maybe_catch_panic Nov 17 01:20:56.765 INFO [stderr] at libpanic_unwind/lib.rs:102 Nov 17 01:20:56.765 INFO [stderr] 79: 0x7fe468d22133 - std::rt::lang_start_internal::h7de6c0ff968baefe Nov 17 01:20:56.765 INFO [stderr] at libstd/panicking.rs:289 Nov 17 01:20:56.765 INFO [stderr] at libstd/panic.rs:398 Nov 17 01:20:56.765 INFO [stderr] at libstd/rt.rs:58 Nov 17 01:20:56.765 INFO [stderr] 80: 0x55e69ad82984 - main Nov 17 01:20:56.765 INFO [stderr] 81: 0x7fe46891082f - __libc_start_main Nov 17 01:20:56.766 INFO [stderr] 82: 0x55e69ad82808 - Nov 17 01:20:56.766 INFO [stderr] query stack during panic: Nov 17 01:20:56.766 INFO [stderr] #0 [mir_built] processing `freelist:: for T>::dealloc` Nov 17 01:20:56.766 INFO [stderr] #1 [unsafety_check_result] processing `freelist:: for T>::dealloc` Nov 17 01:20:56.766 INFO [stderr] #2 [mir_const] processing `freelist:: for T>::dealloc` Nov 17 01:20:56.767 INFO [stderr] #3 [mir_validated] processing `freelist:: for T>::dealloc` Nov 17 01:20:56.767 INFO [stderr] #4 [borrowck] processing `freelist:: for T>::dealloc` Nov 17 01:20:56.767 INFO [stderr] end of query stack Nov 17 01:20:56.799 INFO [stderr] error: aborting due to previous error Nov 17 01:20:56.799 INFO [stderr] Nov 17 01:20:56.804 INFO [stderr] Nov 17 01:20:56.805 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Nov 17 01:20:56.805 INFO [stderr] Nov 17 01:20:56.805 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Nov 17 01:20:56.805 INFO [stderr] Nov 17 01:20:56.806 INFO [stderr] note: rustc 1.32.0-nightly (6b9b97bd9 2018-11-15) running on x86_64-unknown-linux-gnu Nov 17 01:20:56.806 INFO [stderr] Nov 17 01:20:56.806 INFO [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib Nov 17 01:20:56.806 INFO [stderr] Nov 17 01:20:56.807 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Nov 17 01:20:56.807 INFO [stderr] Nov 17 01:20:56.827 INFO [stderr] error: Could not compile `pyo3`. Nov 17 01:20:56.827 INFO [stderr] Nov 17 01:20:56.827 INFO [stderr] To learn more, run the command again with --verbose. Nov 17 01:20:56.827 INFO [stderr] su: No module specific data is present Nov 17 01:20:57.141 INFO running `"docker" "inspect" "bc02ce92c97db48ae503b34ff966e0a2a96234a9dcec2da22e6b54b311b96be2"` Nov 17 01:20:57.238 INFO running `"docker" "rm" "-f" "bc02ce92c97db48ae503b34ff966e0a2a96234a9dcec2da22e6b54b311b96be2"` Nov 17 01:20:57.355 INFO [stdout] bc02ce92c97db48ae503b34ff966e0a2a96234a9dcec2da22e6b54b311b96be2