Dec 07 20:06:32.317 INFO testing compact-0.2.13 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 07 20:06:32.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"` Dec 07 20:06:32.830 INFO [stdout] 0781fa1ab37f6091bbe9fdf4a0e223e1730e0cce0a927fac8b4285760be301bd Dec 07 20:06:32.832 INFO running `"docker" "start" "-a" "0781fa1ab37f6091bbe9fdf4a0e223e1730e0cce0a927fac8b4285760be301bd"` Dec 07 20:06:35.147 INFO [stderr] usermod: no changes Dec 07 20:06:35.296 INFO [stderr] Compiling compact v0.2.13 (/source) Dec 07 20:06:36.888 INFO [stderr] warning: unused import: `std::marker::PhantomData` Dec 07 20:06:36.888 INFO [stderr] --> src/compact_option.rs:2:5 Dec 07 20:06:36.888 INFO [stderr] | Dec 07 20:06:36.888 INFO [stderr] 2 | use std::marker::PhantomData; Dec 07 20:06:36.888 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 07 20:06:36.888 INFO [stderr] | Dec 07 20:06:36.888 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 07 20:06:36.888 INFO [stderr] Dec 07 20:06:36.888 INFO [stderr] warning: unused import: `std::marker::PhantomData` Dec 07 20:06:36.888 INFO [stderr] --> src/compact_str.rs:3:5 Dec 07 20:06:36.888 INFO [stderr] | Dec 07 20:06:36.888 INFO [stderr] 3 | use std::marker::PhantomData; Dec 07 20:06:36.888 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 07 20:06:36.888 INFO [stderr] Dec 07 20:06:36.888 INFO [stderr] warning: unused import: `std::marker::PhantomData` Dec 07 20:06:36.888 INFO [stderr] --> src/compact_dict.rs:4:5 Dec 07 20:06:36.888 INFO [stderr] | Dec 07 20:06:36.889 INFO [stderr] 4 | use std::marker::PhantomData; Dec 07 20:06:36.889 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 07 20:06:36.889 INFO [stderr] Dec 07 20:06:36.889 INFO [stderr] warning: unused import: `std::marker::PhantomData` Dec 07 20:06:36.889 INFO [stderr] --> src/compact_hash_map.rs:12:5 Dec 07 20:06:36.889 INFO [stderr] | Dec 07 20:06:36.889 INFO [stderr] 12 | use std::marker::PhantomData; Dec 07 20:06:36.889 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 07 20:06:36.889 INFO [stderr] Dec 07 20:06:37.217 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 07 20:06:37.217 INFO [stderr] Dec 07 20:06:37.217 INFO [stderr] thread 'main' panicked at 'Box', src/librustc_errors/lib.rs:600:9 Dec 07 20:06:37.237 INFO [stderr] stack backtrace: Dec 07 20:06:37.434 INFO [stderr] 0: 0x7f0c2c8ffc73 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h3c2ada0a2db8c5e7 Dec 07 20:06:37.443 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 07 20:06:37.444 INFO [stderr] 1: 0x7f0c2c8f7388 - std::sys_common::backtrace::_print::h95865c77318e98b7 Dec 07 20:06:37.444 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 07 20:06:37.444 INFO [stderr] 2: 0x7f0c2c8fc6e2 - std::panicking::default_hook::{{closure}}::hb3d1f299fcea42e5 Dec 07 20:06:37.444 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 07 20:06:37.444 INFO [stderr] at src/libstd/panicking.rs:211 Dec 07 20:06:37.444 INFO [stderr] 3: 0x7f0c2c8fc44d - std::panicking::default_hook::h4eae6f26f73244c8 Dec 07 20:06:37.444 INFO [stderr] at src/libstd/panicking.rs:227 Dec 07 20:06:37.444 INFO [stderr] 4: 0x7f0c29162fa3 - rustc::util::common::panic_hook::hea1785835e82e2c5 Dec 07 20:06:37.445 INFO [stderr] 5: 0x7f0c2c8fcec9 - std::panicking::rust_panic_with_hook::h368d37fd53b59464 Dec 07 20:06:37.445 INFO [stderr] at src/libstd/panicking.rs:495 Dec 07 20:06:37.445 INFO [stderr] 6: 0x7f0c27db175c - std::panicking::begin_panic::h86795a510891847c Dec 07 20:06:37.445 INFO [stderr] 7: 0x7f0c27dc510e - rustc_errors::Handler::bug::h0bed5f9b4bf91ee7 Dec 07 20:06:37.445 INFO [stderr] 8: 0x7f0c28dfbdfe - rustc::util::bug::opt_span_bug_fmt::{{closure}}::ha9ffe63153790eba Dec 07 20:06:37.445 INFO [stderr] 9: 0x7f0c28df96b9 - rustc::ty::context::tls::with_opt::{{closure}}::ha2bd3484acd7012b Dec 07 20:06:37.445 INFO [stderr] 10: 0x7f0c28d79bbf - rustc::ty::context::tls::with_context_opt::hc97da81665f84de9 Dec 07 20:06:37.446 INFO [stderr] 11: 0x7f0c28df9426 - rustc::ty::context::tls::with_opt::h9ed6986778b84dca Dec 07 20:06:37.446 INFO [stderr] 12: 0x7f0c28f8fec4 - rustc::util::bug::opt_span_bug_fmt::h36b1c57802afd458 Dec 07 20:06:37.446 INFO [stderr] 13: 0x7f0c28f8fe36 - rustc::util::bug::bug_fmt::hecfa2f19e638da41 Dec 07 20:06:37.446 INFO [stderr] 14: 0x7f0c28c09002 - rustc::traits::specialize::translate_substs::{{closure}}::h10744a37b2370051 Dec 07 20:06:37.446 INFO [stderr] 15: 0x7f0c28c08fa5 - rustc::traits::specialize::translate_substs::h30d787866887a87b Dec 07 20:06:37.446 INFO [stderr] 16: 0x7f0c28df06c4 - rustc::ty::context::tls::with_related_context::hfa1a09a2d7a00285 Dec 07 20:06:37.446 INFO [stderr] 17: 0x7f0c2900fdc1 - rustc::infer::InferCtxtBuilder::enter::he404af7f51ab5b3c Dec 07 20:06:37.452 INFO [stderr] 18: 0x7f0c28c09694 - rustc::traits::specialize::find_associated_item::h8258f9d138f17eec Dec 07 20:06:37.452 INFO [stderr] 19: 0x7f0c28bd2c3a - rustc::ty::instance::Instance::resolve::h5a2db3aceeb21cab Dec 07 20:06:37.452 INFO [stderr] 20: 0x7f0c2995ab6a - rustc::ty::context::tls::with_related_context::h60471f2f0bd89856 Dec 07 20:06:37.453 INFO [stderr] 21: 0x7f0c29ac8069 - rustc::infer::InferCtxtBuilder::enter::h26bc97744f71a7ec Dec 07 20:06:37.453 INFO [stderr] 22: 0x7f0c29967c32 - rustc_mir::build::mir_build::h7dbffbb57f8876c4 Dec 07 20:06:37.453 INFO [stderr] 23: 0x7f0c29c5ed3b - rustc_mir::transform::mir_built::h1514926ce29de22a Dec 07 20:06:37.453 INFO [stderr] 24: 0x7f0c28e0ab0c - rustc::ty::query:: for rustc::ty::query::queries::mir_built<'tcx>>::compute::h8772d0824e52223b Dec 07 20:06:37.453 INFO [stderr] 25: 0x7f0c28b0d63f - rustc::dep_graph::graph::DepGraph::with_task_impl::h95e672f40b56e74e Dec 07 20:06:37.453 INFO [stderr] 26: 0x7f0c28d5fd35 - >::start::hee38864999ae07c5 Dec 07 20:06:37.454 INFO [stderr] 27: 0x7f0c289610b6 - rustc::ty::query::plumbing::>::force_query_with_job::hbce007f393946c37 Dec 07 20:06:37.454 INFO [stderr] 28: 0x7f0c289f3d28 - rustc::ty::query::plumbing::>::get_query::h4ee13a22571702bb Dec 07 20:06:37.454 INFO [stderr] 29: 0x7f0c29b8a573 - rustc_mir::transform::check_unsafety::unsafety_check_result::hd3116f096d8ba0c8 Dec 07 20:06:37.454 INFO [stderr] 30: 0x7f0c28e0419d - rustc::ty::query::__query_compute::unsafety_check_result::h091c875f8b61e578 Dec 07 20:06:37.455 INFO [stderr] 31: 0x7f0c28e0abd4 - rustc::ty::query:: for rustc::ty::query::queries::unsafety_check_result<'tcx>>::compute::h9b7bdc7a13256b89 Dec 07 20:06:37.455 INFO [stderr] 32: 0x7f0c28af0135 - rustc::dep_graph::graph::DepGraph::with_task_impl::h46e32f18783dd0d4 Dec 07 20:06:37.455 INFO [stderr] 33: 0x7f0c28d0d7fc - >::start::h04eb8d140028f13c Dec 07 20:06:37.456 INFO [stderr] 34: 0x7f0c28956982 - rustc::ty::query::plumbing::>::force_query_with_job::h8bbafa743d820e85 Dec 07 20:06:37.456 INFO [stderr] 35: 0x7f0c28a1fec9 - rustc::ty::query::plumbing::>::get_query::h7bc10147c259bdfa Dec 07 20:06:37.456 INFO [stderr] 36: 0x7f0c28ab3c10 - rustc::ty::query::>::unsafety_check_result::h57b2db4531ede479 Dec 07 20:06:37.457 INFO [stderr] 37: 0x7f0c29c600ef - rustc_mir::transform::mir_const::h9338ae5420643ff4 Dec 07 20:06:37.457 INFO [stderr] 38: 0x7f0c28e0ab3c - rustc::ty::query:: for rustc::ty::query::queries::mir_const<'tcx>>::compute::h97b3bf2a72cde764 Dec 07 20:06:37.457 INFO [stderr] 39: 0x7f0c28b0d63f - rustc::dep_graph::graph::DepGraph::with_task_impl::h95e672f40b56e74e Dec 07 20:06:37.458 INFO [stderr] 40: 0x7f0c28d1d8b5 - >::start::h3288713525bf62f4 Dec 07 20:06:37.458 INFO [stderr] 41: 0x7f0c28940cd6 - rustc::ty::query::plumbing::>::force_query_with_job::h0ded989651266636 Dec 07 20:06:37.458 INFO [stderr] 42: 0x7f0c28a86488 - rustc::ty::query::plumbing::>::get_query::he24146d500783a10 Dec 07 20:06:37.459 INFO [stderr] 43: 0x7f0c29c603d2 - rustc_mir::transform::mir_validated::he5c0558b340032e8 Dec 07 20:06:37.459 INFO [stderr] 44: 0x7f0c28e0ab6c - rustc::ty::query:: for rustc::ty::query::queries::mir_validated<'tcx>>::compute::h0c2b9f808dcf04e6 Dec 07 20:06:37.459 INFO [stderr] 45: 0x7f0c28b0d63f - rustc::dep_graph::graph::DepGraph::with_task_impl::h95e672f40b56e74e Dec 07 20:06:37.460 INFO [stderr] 46: 0x7f0c28d297c5 - >::start::h4f84a87577b07589 Dec 07 20:06:37.460 INFO [stderr] 47: 0x7f0c28952016 - rustc::ty::query::plumbing::>::force_query_with_job::h73e83bfb0254450b Dec 07 20:06:37.460 INFO [stderr] 48: 0x7f0c28a8c178 - rustc::ty::query::plumbing::>::get_query::he7f55b9a52242f3a Dec 07 20:06:37.461 INFO [stderr] 49: 0x7f0c28973d4c - rustc::ty::query::plumbing::>::ensure_query::h4779f9dd106dee7f Dec 07 20:06:37.461 INFO [stderr] 50: 0x7f0c29fd0eae - rustc_borrowck::borrowck::borrowck::h356976c9dcb41e90 Dec 07 20:06:37.461 INFO [stderr] 51: 0x7f0c28e0ad6c - rustc::ty::query:: for rustc::ty::query::queries::borrowck<'tcx>>::compute::h509636e8304b2564 Dec 07 20:06:37.461 INFO [stderr] 52: 0x7f0c28b18d70 - rustc::dep_graph::graph::DepGraph::with_task_impl::hca39e01efdf58c7d Dec 07 20:06:37.462 INFO [stderr] 53: 0x7f0c28d395f5 - >::start::h7a46990797861c56 Dec 07 20:06:37.462 INFO [stderr] 54: 0x7f0c2895568b - rustc::ty::query::plumbing::>::force_query_with_job::h890771d7afa240ef Dec 07 20:06:37.463 INFO [stderr] 55: 0x7f0c28a64be1 - rustc::ty::query::plumbing::>::get_query::hbe169048ccb65d29 Dec 07 20:06:37.463 INFO [stderr] 56: 0x7f0c29fc75af - rustc::ty::>::par_body_owners::hae6f7c38cc0f7022 Dec 07 20:06:37.463 INFO [stderr] 57: 0x7f0c29fd0c27 - rustc_borrowck::borrowck::check_crate::h5dea51a6227fa98d Dec 07 20:06:37.463 INFO [stderr] 58: 0x7f0c2cc45f11 - rustc::util::common::time::h595b828d8dfad414 Dec 07 20:06:37.463 INFO [stderr] 59: 0x7f0c2ccc192c - rustc::ty::context::tls::enter_context::hb3e1116b93d58b20 Dec 07 20:06:37.464 INFO [stderr] 60: 0x7f0c2cc927f1 - >::with::h94a67863ca1b25b2 Dec 07 20:06:37.464 INFO [stderr] 61: 0x7f0c2ccc7af5 - rustc::ty::context::TyCtxt::create_and_enter::hac900c7a1ba5c8e8 Dec 07 20:06:37.464 INFO [stderr] 62: 0x7f0c2cc173c5 - rustc_driver::driver::compile_input::h33c486154b8ad7d4 Dec 07 20:06:37.464 INFO [stderr] 63: 0x7f0c2cce5742 - rustc_driver::run_compiler_with_pool::h106f4adb1f1a2c54 Dec 07 20:06:37.465 INFO [stderr] 64: 0x7f0c2cc1fee5 - >::set::hf1397c7b4383fe15 Dec 07 20:06:37.465 INFO [stderr] 65: 0x7f0c2cce476a - rustc_driver::run_compiler::h759c0a9bd2cf3207 Dec 07 20:06:37.465 INFO [stderr] 66: 0x7f0c2cc3dc8e - rustc_driver::monitor::{{closure}}::h28643fc1ca29e155 Dec 07 20:06:37.465 INFO [stderr] 67: 0x7f0c2c9192f9 - __rust_maybe_catch_panic Dec 07 20:06:37.465 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 07 20:06:37.466 INFO [stderr] 68: 0x7f0c2cce286b - rustc_driver::run::h96704f2df0251684 Dec 07 20:06:37.466 INFO [stderr] 69: 0x7f0c2ccf041b - rustc_driver::main::ha220142a554e047e Dec 07 20:06:37.466 INFO [stderr] 70: 0x560945347962 - std::rt::lang_start::{{closure}}::h667e8af0dfb79422 Dec 07 20:06:37.466 INFO [stderr] 71: 0x7f0c2c8fc7f2 - std::panicking::try::do_call::he36b7484b8577fb8 Dec 07 20:06:37.466 INFO [stderr] at src/libstd/rt.rs:59 Dec 07 20:06:37.467 INFO [stderr] at src/libstd/panicking.rs:310 Dec 07 20:06:37.467 INFO [stderr] 72: 0x7f0c2c9192f9 - __rust_maybe_catch_panic Dec 07 20:06:37.467 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 07 20:06:37.467 INFO [stderr] 73: 0x7f0c2c8fd283 - std::rt::lang_start_internal::h0d3f2f2668e3bb6a Dec 07 20:06:37.468 INFO [stderr] at src/libstd/panicking.rs:289 Dec 07 20:06:37.468 INFO [stderr] at src/libstd/panic.rs:398 Dec 07 20:06:37.468 INFO [stderr] at src/libstd/rt.rs:58 Dec 07 20:06:37.468 INFO [stderr] 74: 0x560945347951 - main Dec 07 20:06:37.468 INFO [stderr] 75: 0x7f0c2c4ec82f - __libc_start_main Dec 07 20:06:37.469 INFO [stderr] 76: 0x560945347808 - Dec 07 20:06:37.469 INFO [stderr] query stack during panic: Dec 07 20:06:37.469 INFO [stderr] #0 [mir_built] processing ` as compact::Compact>::decompact` Dec 07 20:06:37.469 INFO [stderr] #1 [unsafety_check_result] processing ` as compact::Compact>::decompact` Dec 07 20:06:37.472 INFO [stderr] #2 [mir_const] processing ` as compact::Compact>::decompact` Dec 07 20:06:37.472 INFO [stderr] #3 [mir_validated] processing ` as compact::Compact>::decompact` Dec 07 20:06:37.472 INFO [stderr] #4 [borrowck] processing ` as compact::Compact>::decompact` Dec 07 20:06:37.472 INFO [stderr] end of query stack Dec 07 20:06:37.485 INFO [stderr] error: aborting due to previous error Dec 07 20:06:37.485 INFO [stderr] Dec 07 20:06:37.487 INFO [stderr] Dec 07 20:06:37.487 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Dec 07 20:06:37.487 INFO [stderr] Dec 07 20:06:37.487 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Dec 07 20:06:37.487 INFO [stderr] Dec 07 20:06:37.488 INFO [stderr] note: rustc 1.32.0-nightly (906deae07 2018-12-04) running on x86_64-unknown-linux-gnu Dec 07 20:06:37.488 INFO [stderr] Dec 07 20:06:37.488 INFO [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib Dec 07 20:06:37.488 INFO [stderr] Dec 07 20:06:37.488 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Dec 07 20:06:37.488 INFO [stderr] Dec 07 20:06:37.502 INFO [stderr] error: Could not compile `compact`. Dec 07 20:06:37.502 INFO [stderr] Dec 07 20:06:37.502 INFO [stderr] To learn more, run the command again with --verbose. Dec 07 20:06:37.504 INFO [stderr] su: No module specific data is present Dec 07 20:06:38.904 INFO running `"docker" "inspect" "0781fa1ab37f6091bbe9fdf4a0e223e1730e0cce0a927fac8b4285760be301bd"` Dec 07 20:06:39.241 INFO running `"docker" "rm" "-f" "0781fa1ab37f6091bbe9fdf4a0e223e1730e0cce0a927fac8b4285760be301bd"` Dec 07 20:06:39.542 INFO [stdout] 0781fa1ab37f6091bbe9fdf4a0e223e1730e0cce0a927fac8b4285760be301bd