Nov 17 01:20:00.452 INFO testing hhatto/fpath against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982 Nov 17 01:20:00.454 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 17 01:20:00.873 INFO [stdout] 652dd2509fd2cc559f501a55a5d79f6be89d0767541b2da1109edcf67602bc9b Nov 17 01:20:00.877 INFO running `"docker" "start" "-a" "652dd2509fd2cc559f501a55a5d79f6be89d0767541b2da1109edcf67602bc9b"` Nov 17 01:20:01.910 INFO [stderr] usermod: no changes Nov 17 01:20:02.015 INFO [stderr] Compiling proc-macro-hack-impl v0.4.1 Nov 17 01:20:02.015 INFO [stderr] Compiling spin v0.4.9 Nov 17 01:20:02.015 INFO [stderr] Compiling users v0.6.1 Nov 17 01:20:02.051 INFO [stderr] Compiling syn v0.14.9 Nov 17 01:20:02.051 INFO [stderr] Compiling pyo3 v0.4.1 Nov 17 01:20:10.400 INFO [stderr] Compiling proc-macro-hack v0.4.1 Nov 17 01:20:10.717 INFO [stderr] Compiling mashup-impl v0.1.7 Nov 17 01:20:14.999 INFO [stderr] Compiling mashup v0.1.7 Nov 17 01:20:32.501 INFO [stderr] Compiling pyo3-derive-backend v0.4.1 Nov 17 01:20:46.664 INFO [stderr] Compiling pyo3cls v0.4.1 Nov 17 01:20:54.302 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 01:20:54.302 INFO [stderr] Nov 17 01:20:54.302 INFO [stderr] thread 'main' panicked at 'Box', librustc_errors/lib.rs:600:9 Nov 17 01:20:54.334 INFO [stderr] stack backtrace: Nov 17 01:20:54.503 INFO [stderr] 0: 0x7f945ae71a83 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h26df0f6fdb27c709 Nov 17 01:20:54.517 INFO [stderr] at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 17 01:20:54.517 INFO [stderr] 1: 0x7f945ae692a8 - std::sys_common::backtrace::_print::h84c40fecda6d638e Nov 17 01:20:54.518 INFO [stderr] at libstd/sys_common/backtrace.rs:71 Nov 17 01:20:54.518 INFO [stderr] 2: 0x7f945ae6e454 - std::panicking::default_hook::{{closure}}::h77e370c0567fc0a7 Nov 17 01:20:54.518 INFO [stderr] at libstd/sys_common/backtrace.rs:59 Nov 17 01:20:54.518 INFO [stderr] at libstd/panicking.rs:211 Nov 17 01:20:54.518 INFO [stderr] 3: 0x7f945ae6e1bd - std::panicking::default_hook::hb9a45c11a33bbcb2 Nov 17 01:20:54.518 INFO [stderr] at libstd/panicking.rs:227 Nov 17 01:20:54.518 INFO [stderr] 4: 0x7f94573896d1 - rustc::util::common::panic_hook::h102faf9876448695 Nov 17 01:20:54.520 INFO [stderr] 5: 0x7f945ae6ec39 - std::panicking::rust_panic_with_hook::ha8d95048d940f754 Nov 17 01:20:54.520 INFO [stderr] at libstd/panicking.rs:480 Nov 17 01:20:54.520 INFO [stderr] 6: 0x7f9456048e7f - std::panicking::begin_panic::h0a0b1d034a232e60 Nov 17 01:20:54.520 INFO [stderr] 7: 0x7f945605c471 - rustc_errors::Handler::bug::h187c73f72c33a102 Nov 17 01:20:54.520 INFO [stderr] 8: 0x7f9456f7842e - rustc::util::bug::opt_span_bug_fmt::{{closure}}::h06493fd6cef2e759 Nov 17 01:20:54.520 INFO [stderr] 9: 0x7f9456f78099 - rustc::ty::context::tls::with_opt::{{closure}}::h4c93ce24b108f7cb Nov 17 01:20:54.520 INFO [stderr] 10: 0x7f9456eab4ff - rustc::ty::context::tls::with_context_opt::h12bdd9e8b2474afb Nov 17 01:20:54.520 INFO [stderr] 11: 0x7f9456f77806 - rustc::ty::context::tls::with_opt::h753bcef2f89e8e2c Nov 17 01:20:54.520 INFO [stderr] 12: 0x7f94572cf1b4 - rustc::util::bug::opt_span_bug_fmt::hdfaad049feeb7174 Nov 17 01:20:54.520 INFO [stderr] 13: 0x7f94572cf126 - rustc::util::bug::bug_fmt::h61a5349e01f8c9c2 Nov 17 01:20:54.520 INFO [stderr] 14: 0x7f9456e3ffc2 - rustc::traits::specialize::translate_substs::{{closure}}::ha6e49528e21f8811 Nov 17 01:20:54.521 INFO [stderr] 15: 0x7f9456e3ff65 - rustc::traits::specialize::translate_substs::h8b20176619162c4c Nov 17 01:20:54.521 INFO [stderr] 16: 0x7f9456f62e7f - rustc::ty::context::tls::with_related_context::he78f1553f35911a6 Nov 17 01:20:54.521 INFO [stderr] 17: 0x7f9457332251 - rustc::infer::InferCtxtBuilder::enter::hd2072875e43b3fdd Nov 17 01:20:54.522 INFO [stderr] 18: 0x7f9456e4066e - rustc::traits::specialize::find_associated_item::h68ab53d0061d55da Nov 17 01:20:54.522 INFO [stderr] 19: 0x7f9456d3def3 - rustc::ty::instance::Instance::resolve::h6c9c2ee2da5668c4 Nov 17 01:20:54.522 INFO [stderr] 20: 0x7f9457e3885d - rustc_mir::lints::check::h96683dd761ba1217 Nov 17 01:20:54.522 INFO [stderr] 21: 0x7f9457d88b8b - rustc::ty::context::tls::with_related_context::h4143aa54b5c49495 Nov 17 01:20:54.522 INFO [stderr] 22: 0x7f9457f9711a - rustc::infer::InferCtxtBuilder::enter::hf736cee1b6d53d72 Nov 17 01:20:54.522 INFO [stderr] 23: 0x7f9457e0a726 - rustc_mir::build::mir_build::h8a87a884764a3b2f Nov 17 01:20:54.522 INFO [stderr] 24: 0x7f94580de08d - rustc_mir::transform::mir_built::h0b1b12b38e525e7a Nov 17 01:20:54.522 INFO [stderr] 25: 0x7f945704d7a5 - rustc::ty::query::__query_compute::mir_built::hab4252bf7808d2fd Nov 17 01:20:54.523 INFO [stderr] 26: 0x7f9456f78bbc - rustc::ty::query:: for rustc::ty::query::queries::mir_built<'tcx>>::compute::h9e55c3ff31afac30 Nov 17 01:20:54.523 INFO [stderr] 27: 0x7f9456d92cbb - rustc::dep_graph::graph::DepGraph::with_task_impl::h27fe1f69625ec35f Nov 17 01:20:54.523 INFO [stderr] 28: 0x7f9456f65709 - rustc::ty::context::tls::with_related_context::hecf78bd13d944e73 Nov 17 01:20:54.523 INFO [stderr] 29: 0x7f94570a15bd - rustc::ty::query::plumbing::>::force_query_with_job::hdf44a92e23203efc Nov 17 01:20:54.524 INFO [stderr] 30: 0x7f9457115a48 - rustc::ty::query::plumbing::>::get_query::h1d175a604cdc6be7 Nov 17 01:20:54.524 INFO [stderr] 31: 0x7f94571f78de - rustc::ty::query::>::mir_built::h78ca6bf2730901c1 Nov 17 01:20:54.524 INFO [stderr] 32: 0x7f94580261d0 - rustc_mir::transform::check_unsafety::unsafety_check_result::he953375e46232689 Nov 17 01:20:54.524 INFO [stderr] 33: 0x7f945704daed - rustc::ty::query::__query_compute::unsafety_check_result::h33e8e183c3e6da95 Nov 17 01:20:54.525 INFO [stderr] 34: 0x7f9456f78c84 - rustc::ty::query:: for rustc::ty::query::queries::unsafety_check_result<'tcx>>::compute::hdd66c4acc388e2b8 Nov 17 01:20:54.525 INFO [stderr] 35: 0x7f9456dd259b - rustc::dep_graph::graph::DepGraph::with_task_impl::hefa8cdeb6a594d46 Nov 17 01:20:54.525 INFO [stderr] 36: 0x7f9456f42b3a - rustc::ty::context::tls::with_related_context::h9f5966d5b395df3e Nov 17 01:20:54.525 INFO [stderr] 37: 0x7f94570a78c5 - rustc::ty::query::plumbing::>::force_query_with_job::hf56ad49fa4e16522 Nov 17 01:20:54.526 INFO [stderr] 38: 0x7f945719dc18 - rustc::ty::query::plumbing::>::get_query::hb9b9f3573e571014 Nov 17 01:20:54.526 INFO [stderr] 39: 0x7f94571f79d2 - rustc::ty::query::>::unsafety_check_result::h468e931573d2b939 Nov 17 01:20:54.526 INFO [stderr] 40: 0x7f94580df4ef - rustc_mir::transform::mir_const::h5c6c5c73fab2f6a5 Nov 17 01:20:54.526 INFO [stderr] 41: 0x7f945704d875 - rustc::ty::query::__query_compute::mir_const::h8926e5ac267cf370 Nov 17 01:20:54.527 INFO [stderr] 42: 0x7f9456f78bec - rustc::ty::query:: for rustc::ty::query::queries::mir_const<'tcx>>::compute::hb2801684cec72843 Nov 17 01:20:54.527 INFO [stderr] 43: 0x7f9456d92cbb - rustc::dep_graph::graph::DepGraph::with_task_impl::h27fe1f69625ec35f Nov 17 01:20:54.527 INFO [stderr] 44: 0x7f9456f3fb89 - rustc::ty::context::tls::with_related_context::h9b136bcba4bae925 Nov 17 01:20:54.527 INFO [stderr] 45: 0x7f9457099d7d - rustc::ty::query::plumbing::>::force_query_with_job::hb4fde966fe04f9b9 Nov 17 01:20:54.528 INFO [stderr] 46: 0x7f9457159a78 - rustc::ty::query::plumbing::>::get_query::h7c3ed8ef1707298d Nov 17 01:20:54.528 INFO [stderr] 47: 0x7f94571f78fe - rustc::ty::query::>::mir_const::h2adf25677461677e Nov 17 01:20:54.528 INFO [stderr] 48: 0x7f94580df809 - rustc_mir::transform::mir_validated::h3d88f876429961f5 Nov 17 01:20:54.528 INFO [stderr] 49: 0x7f945704d945 - rustc::ty::query::__query_compute::mir_validated::h56ad69953f38c114 Nov 17 01:20:54.528 INFO [stderr] 50: 0x7f9456f78c1c - rustc::ty::query:: for rustc::ty::query::queries::mir_validated<'tcx>>::compute::h4f7964e0eab0ac49 Nov 17 01:20:54.529 INFO [stderr] 51: 0x7f9456d92cbb - rustc::dep_graph::graph::DepGraph::with_task_impl::h27fe1f69625ec35f Nov 17 01:20:54.529 INFO [stderr] 52: 0x7f9456f17f99 - rustc::ty::context::tls::with_related_context::h429f0a3717c3c8df Nov 17 01:20:54.529 INFO [stderr] 53: 0x7f9457098ead - rustc::ty::query::plumbing::>::force_query_with_job::hb32fd72e847ea264 Nov 17 01:20:54.529 INFO [stderr] 54: 0x7f94570f5068 - rustc::ty::query::plumbing::>::get_query::h050bfe0d726251f0 Nov 17 01:20:54.530 INFO [stderr] 55: 0x7f94570b8e23 - rustc::ty::query::plumbing::>::ensure_query::hc68abadfe659ce89 Nov 17 01:20:54.530 INFO [stderr] 56: 0x7f94584a7687 - rustc_borrowck::borrowck::borrowck::h588c78844be5f5f9 Nov 17 01:20:54.530 INFO [stderr] 57: 0x7f9456f78e1c - rustc::ty::query:: for rustc::ty::query::queries::borrowck<'tcx>>::compute::h96ea70867c3bebe9 Nov 17 01:20:54.530 INFO [stderr] 58: 0x7f9456d8be3c - rustc::dep_graph::graph::DepGraph::with_task_impl::h17648c5d7a299afb Nov 17 01:20:54.531 INFO [stderr] 59: 0x7f9456effc59 - rustc::ty::context::tls::with_related_context::h10781cf4da1148de Nov 17 01:20:54.531 INFO [stderr] 60: 0x7f945709848d - rustc::ty::query::plumbing::>::force_query_with_job::hb1d0273dcbf7b9b5 Nov 17 01:20:54.531 INFO [stderr] 61: 0x7f945718a493 - rustc::ty::query::plumbing::>::get_query::haa2c0a619e2dc19d Nov 17 01:20:54.531 INFO [stderr] 62: 0x7f945849cf40 - rustc::ty::>::par_body_owners::ha1ac37fb5cb640aa Nov 17 01:20:54.532 INFO [stderr] 63: 0x7f94584a73a7 - rustc_borrowck::borrowck::check_crate::h3e78b57280165449 Nov 17 01:20:54.532 INFO [stderr] 64: 0x7f945b18f651 - rustc::util::common::time::h32121bac60555c57 Nov 17 01:20:54.532 INFO [stderr] 65: 0x7f945b22fd68 - rustc::ty::context::tls::enter_context::hf4dd22a3929631d7 Nov 17 01:20:54.532 INFO [stderr] 66: 0x7f945b1fc371 - >::with::h559cddd35abab2bf Nov 17 01:20:54.532 INFO [stderr] 67: 0x7f945b231864 - rustc::ty::context::TyCtxt::create_and_enter::h3924906d1c9d7c61 Nov 17 01:20:54.532 INFO [stderr] 68: 0x7f945b17e2bf - rustc_driver::driver::compile_input::h4143768d89b91ca2 Nov 17 01:20:54.533 INFO [stderr] 69: 0x7f945b258f34 - rustc_driver::run_compiler_with_pool::h19608772a7aa90a6 Nov 17 01:20:54.533 INFO [stderr] 70: 0x7f945b1b37d5 - >::set::h5a5fbe70e3cffa36 Nov 17 01:20:54.533 INFO [stderr] 71: 0x7f945b257f5a - rustc_driver::run_compiler::h403021057e42a038 Nov 17 01:20:54.533 INFO [stderr] 72: 0x7f945b1cb7e8 - syntax::with_globals::hf7a301326ce3a07b Nov 17 01:20:54.533 INFO [stderr] 73: 0x7f945ae8c019 - __rust_maybe_catch_panic Nov 17 01:20:54.533 INFO [stderr] at libpanic_unwind/lib.rs:102 Nov 17 01:20:54.533 INFO [stderr] 74: 0x7f945b256015 - rustc_driver::run::h60dc88de5f48d403 Nov 17 01:20:54.534 INFO [stderr] 75: 0x7f945b263b9b - rustc_driver::main::ha57dc6064a4a2449 Nov 17 01:20:54.534 INFO [stderr] 76: 0x562243579922 - std::rt::lang_start::{{closure}}::h172749a3001d11c1 Nov 17 01:20:54.534 INFO [stderr] 77: 0x7f945ae6e562 - std::panicking::try::do_call::hd60a76d8ded0e2c5 Nov 17 01:20:54.534 INFO [stderr] at libstd/rt.rs:59 Nov 17 01:20:54.534 INFO [stderr] at libstd/panicking.rs:310 Nov 17 01:20:54.534 INFO [stderr] 78: 0x7f945ae8c019 - __rust_maybe_catch_panic Nov 17 01:20:54.535 INFO [stderr] at libpanic_unwind/lib.rs:102 Nov 17 01:20:54.535 INFO [stderr] 79: 0x7f945ae6eff3 - std::rt::lang_start_internal::h97a4fd93ec84f1b4 Nov 17 01:20:54.535 INFO [stderr] at libstd/panicking.rs:289 Nov 17 01:20:54.535 INFO [stderr] at libstd/panic.rs:398 Nov 17 01:20:54.535 INFO [stderr] at libstd/rt.rs:58 Nov 17 01:20:54.535 INFO [stderr] 80: 0x562243579984 - main Nov 17 01:20:54.536 INFO [stderr] 81: 0x7f945aa5d82f - __libc_start_main Nov 17 01:20:54.536 INFO [stderr] 82: 0x562243579808 - Nov 17 01:20:54.536 INFO [stderr] query stack during panic: Nov 17 01:20:54.536 INFO [stderr] #0 [mir_built] processing `freelist:: for T>::dealloc` Nov 17 01:20:54.536 INFO [stderr] #1 [unsafety_check_result] processing `freelist:: for T>::dealloc` Nov 17 01:20:54.536 INFO [stderr] #2 [mir_const] processing `freelist:: for T>::dealloc` Nov 17 01:20:54.536 INFO [stderr] #3 [mir_validated] processing `freelist:: for T>::dealloc` Nov 17 01:20:54.536 INFO [stderr] #4 [borrowck] processing `freelist:: for T>::dealloc` Nov 17 01:20:54.536 INFO [stderr] end of query stack Nov 17 01:20:54.573 INFO [stderr] error: aborting due to previous error Nov 17 01:20:54.573 INFO [stderr] Nov 17 01:20:54.575 INFO [stderr] Nov 17 01:20:54.575 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Nov 17 01:20:54.575 INFO [stderr] Nov 17 01:20:54.575 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Nov 17 01:20:54.575 INFO [stderr] Nov 17 01:20:54.575 INFO [stderr] note: rustc 1.32.0-nightly (2e026d6e5 2018-11-15) running on x86_64-unknown-linux-gnu Nov 17 01:20:54.575 INFO [stderr] Nov 17 01:20:54.575 INFO [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib Nov 17 01:20:54.575 INFO [stderr] Nov 17 01:20:54.575 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Nov 17 01:20:54.575 INFO [stderr] Nov 17 01:20:54.602 INFO [stderr] error: Could not compile `pyo3`. Nov 17 01:20:54.602 INFO [stderr] Nov 17 01:20:54.602 INFO [stderr] To learn more, run the command again with --verbose. Nov 17 01:20:54.604 INFO [stderr] su: No module specific data is present Nov 17 01:20:56.121 INFO running `"docker" "inspect" "652dd2509fd2cc559f501a55a5d79f6be89d0767541b2da1109edcf67602bc9b"` Nov 17 01:20:56.241 INFO running `"docker" "rm" "-f" "652dd2509fd2cc559f501a55a5d79f6be89d0767541b2da1109edcf67602bc9b"` Nov 17 01:20:56.371 INFO [stdout] 652dd2509fd2cc559f501a55a5d79f6be89d0767541b2da1109edcf67602bc9b