Nov 01 20:45:57.390 INFO checking kay-0.3.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538 Nov 01 20:45:57.390 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-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 01 20:45:57.584 INFO blam! b43a2a374b88ef2fe3f7746e98103fc1c45ad1edebcdcba7edea51a576cd2cdc Nov 01 20:45:57.586 INFO running `"docker" "start" "-a" "b43a2a374b88ef2fe3f7746e98103fc1c45ad1edebcdcba7edea51a576cd2cdc"` Nov 01 20:45:58.172 INFO kablam! usermod: no changes Nov 01 20:45:58.330 INFO kablam! Checking simple_allocator_trait v0.1.0 Nov 01 20:45:58.334 INFO kablam! Checking input_buffer v0.1.1 Nov 01 20:45:58.334 INFO kablam! Compiling compact_macros v0.1.0 Nov 01 20:45:59.337 INFO kablam! Checking chunky v0.1.2 Nov 01 20:45:59.337 INFO kablam! Checking compact v0.2.13 Nov 01 20:45:59.429 INFO kablam! Checking tungstenite v0.5.4 Nov 01 20:46:03.003 INFO kablam! error: internal compiler error: librustc/traits/specialize/mod.rs:104: When translating substitutions for specialization, the expected specialization failed to hold Nov 01 20:46:03.003 INFO kablam! Nov 01 20:46:03.003 INFO kablam! thread 'main' panicked at 'Box', librustc_errors/lib.rs:600:9 Nov 01 20:46:03.009 INFO kablam! stack backtrace: Nov 01 20:46:03.209 INFO kablam! 0: 0x7fdbcd68f423 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h1215486e12fd7ce5 Nov 01 20:46:03.218 INFO kablam! at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 01 20:46:03.219 INFO kablam! 1: 0x7fdbcd686bb8 - std::sys_common::backtrace::_print::hdcb65833411c78cf Nov 01 20:46:03.219 INFO kablam! at libstd/sys_common/backtrace.rs:71 Nov 01 20:46:03.220 INFO kablam! 2: 0x7fdbcd68be94 - std::panicking::default_hook::{{closure}}::h261a52b1a0b340e9 Nov 01 20:46:03.221 INFO kablam! at libstd/sys_common/backtrace.rs:59 Nov 01 20:46:03.221 INFO kablam! at libstd/panicking.rs:211 Nov 01 20:46:03.222 INFO kablam! 3: 0x7fdbcd68bbfd - std::panicking::default_hook::h428685b18367af58 Nov 01 20:46:03.222 INFO kablam! at libstd/panicking.rs:227 Nov 01 20:46:03.223 INFO kablam! 4: 0x7fdbc9c5a1c1 - rustc::util::common::panic_hook::hb16788c03c0b7d73 Nov 01 20:46:03.224 INFO kablam! 5: 0x7fdbcd68c5d6 - std::panicking::rust_panic_with_hook::h1bfe7ff6db9becdf Nov 01 20:46:03.224 INFO kablam! at libstd/panicking.rs:480 Nov 01 20:46:03.225 INFO kablam! 6: 0x7fdbc88ea13f - std::panicking::begin_panic::hdf5c1f24f831850f Nov 01 20:46:03.225 INFO kablam! 7: 0x7fdbc88fd851 - rustc_errors::Handler::bug::hfd4390268c662952 Nov 01 20:46:03.226 INFO kablam! 8: 0x7fdbc97c7dee - rustc::util::bug::opt_span_bug_fmt::{{closure}}::ha02e1b2a3e6eb7e7 Nov 01 20:46:03.227 INFO kablam! 9: 0x7fdbc97c7a59 - rustc::ty::context::tls::with_opt::{{closure}}::h48e09cdcb4f4e052 Nov 01 20:46:03.227 INFO kablam! 10: 0x7fdbc96fd07f - rustc::ty::context::tls::with_context_opt::h0574835d09f9d3e0 Nov 01 20:46:03.228 INFO kablam! 11: 0x7fdbc97c7626 - rustc::ty::context::tls::with_opt::hdf5c50b1c970be3e Nov 01 20:46:03.228 INFO kablam! 12: 0x7fdbc9b4def4 - rustc::util::bug::opt_span_bug_fmt::hf00e66eaefc2d078 Nov 01 20:46:03.229 INFO kablam! 13: 0x7fdbc9b4de66 - rustc::util::bug::bug_fmt::h0f962306ee61811b Nov 01 20:46:03.230 INFO kablam! 14: 0x7fdbc96d1452 - rustc::traits::specialize::translate_substs::{{closure}}::h0eb5911fd50618d8 Nov 01 20:46:03.230 INFO kablam! 15: 0x7fdbc96d13f5 - rustc::traits::specialize::translate_substs::he514e7d55a58e34d Nov 01 20:46:03.231 INFO kablam! 16: 0x7fdbc97a0c1f - rustc::ty::context::tls::with_related_context::hba93b2b71d411017 Nov 01 20:46:03.232 INFO kablam! 17: 0x7fdbc9c00b21 - rustc::infer::InferCtxtBuilder::enter::hb91b0f76fcc1cba8 Nov 01 20:46:03.232 INFO kablam! 18: 0x7fdbc96d1af2 - rustc::traits::specialize::find_associated_item::h52e307f211b40b21 Nov 01 20:46:03.233 INFO kablam! 19: 0x7fdbc95d1511 - rustc::ty::instance::Instance::resolve::hfea8acd447961ff5 Nov 01 20:46:03.233 INFO kablam! 20: 0x7fdbca6fdd6a - rustc_mir::lints::check::hb39c7ca6d67ff0f5 Nov 01 20:46:03.234 INFO kablam! 21: 0x7fdbca663cc4 - rustc::ty::context::tls::with_related_context::h6493b450938e754e Nov 01 20:46:03.234 INFO kablam! 22: 0x7fdbca73dc9a - rustc::infer::InferCtxtBuilder::enter::hb2a5d900e56ba681 Nov 01 20:46:03.235 INFO kablam! 23: 0x7fdbca6a6eb5 - rustc_mir::build::mir_build::h4a7ec31f8c31dc8a Nov 01 20:46:03.236 INFO kablam! 24: 0x7fdbca94149d - rustc_mir::transform::mir_built::h294338d0d52f6cc1 Nov 01 20:46:03.236 INFO kablam! 25: 0x7fdbc9b61405 - rustc::ty::query::__query_compute::mir_built::h52290a36e96f8fe3 Nov 01 20:46:03.237 INFO kablam! 26: 0x7fdbc97c857c - rustc::ty::query:: for rustc::ty::query::queries::mir_built<'tcx>>::compute::ha2c0e950428d3775 Nov 01 20:46:03.238 INFO kablam! 27: 0x7fdbc9649c01 - rustc::dep_graph::graph::DepGraph::with_task_impl::he9c45b3cd195186e Nov 01 20:46:03.238 INFO kablam! 28: 0x7fdbc975a8d9 - rustc::ty::context::tls::with_related_context::h22c4c35a7ed69d6a Nov 01 20:46:03.239 INFO kablam! 29: 0x7fdbc98f5bbd - rustc::ty::query::plumbing::>::force_query_with_job::h894d1fffb13d18d5 Nov 01 20:46:03.240 INFO kablam! 30: 0x7fdbc99fb5f5 - rustc::ty::query::plumbing::>::get_query::haf0e74216a6462aa Nov 01 20:46:03.241 INFO kablam! 31: 0x7fdbc9a637de - rustc::ty::query::>::mir_built::h446b2be5d7fa924b Nov 01 20:46:03.241 INFO kablam! 32: 0x7fdbca8a4700 - rustc_mir::transform::check_unsafety::unsafety_check_result::h97f8c778dbcb3b2f Nov 01 20:46:03.242 INFO kablam! 33: 0x7fdbc9b6174d - rustc::ty::query::__query_compute::unsafety_check_result::h676c59523d54a7ce Nov 01 20:46:03.243 INFO kablam! 34: 0x7fdbc97c8644 - rustc::ty::query:: for rustc::ty::query::queries::unsafety_check_result<'tcx>>::compute::h173d9d81f833fec8 Nov 01 20:46:03.243 INFO kablam! 35: 0x7fdbc9616886 - rustc::dep_graph::graph::DepGraph::with_task_impl::h4913e50f5752fbb5 Nov 01 20:46:03.244 INFO kablam! 36: 0x7fdbc977f7aa - rustc::ty::context::tls::with_related_context::h724351f1931357b8 Nov 01 20:46:03.245 INFO kablam! 37: 0x7fdbc98e0d05 - rustc::ty::query::plumbing::>::force_query_with_job::h1806086c5d14cccf Nov 01 20:46:03.246 INFO kablam! 38: 0x7fdbc999461f - rustc::ty::query::plumbing::>::get_query::h37881dbf9cbcafe7 Nov 01 20:46:03.246 INFO kablam! 39: 0x7fdbc9a638d2 - rustc::ty::query::>::unsafety_check_result::he8d0d0a2dad0e231 Nov 01 20:46:03.247 INFO kablam! 40: 0x7fdbca9428ff - rustc_mir::transform::mir_const::h8b9e788b30b51e4f Nov 01 20:46:03.247 INFO kablam! 41: 0x7fdbc9b614d5 - rustc::ty::query::__query_compute::mir_const::h65f3ab82fa4d8ef2 Nov 01 20:46:03.248 INFO kablam! 42: 0x7fdbc97c85ac - rustc::ty::query:: for rustc::ty::query::queries::mir_const<'tcx>>::compute::h0342bc3cb0fd2486 Nov 01 20:46:03.249 INFO kablam! 43: 0x7fdbc9649c01 - rustc::dep_graph::graph::DepGraph::with_task_impl::he9c45b3cd195186e Nov 01 20:46:03.249 INFO kablam! 44: 0x7fdbc97882a9 - rustc::ty::context::tls::with_related_context::h859a154c4edafa1f Nov 01 20:46:03.250 INFO kablam! 45: 0x7fdbc98fc49d - rustc::ty::query::plumbing::>::force_query_with_job::h9cd1d3ca85edb29b Nov 01 20:46:03.251 INFO kablam! 46: 0x7fdbc9a12105 - rustc::ty::query::plumbing::>::get_query::hc6411112c78a4f95 Nov 01 20:46:03.252 INFO kablam! 47: 0x7fdbc9a637fe - rustc::ty::query::>::mir_const::h8897c497f66e59c3 Nov 01 20:46:03.252 INFO kablam! 48: 0x7fdbca942c16 - rustc_mir::transform::mir_validated::hb2b3fb49083ef615 Nov 01 20:46:03.253 INFO kablam! 49: 0x7fdbc9b615a5 - rustc::ty::query::__query_compute::mir_validated::hfb1c47a815724ac9 Nov 01 20:46:03.254 INFO kablam! 50: 0x7fdbc97c85dc - rustc::ty::query:: for rustc::ty::query::queries::mir_validated<'tcx>>::compute::h3544d00c0e42b542 Nov 01 20:46:03.254 INFO kablam! 51: 0x7fdbc9649c01 - rustc::dep_graph::graph::DepGraph::with_task_impl::he9c45b3cd195186e Nov 01 20:46:03.255 INFO kablam! 52: 0x7fdbc976b909 - rustc::ty::context::tls::with_related_context::h4ca68a090539fd31 Nov 01 20:46:03.256 INFO kablam! 53: 0x7fdbc990379d - rustc::ty::query::plumbing::>::force_query_with_job::hc01b0050d74a63e4 Nov 01 20:46:03.256 INFO kablam! 54: 0x7fdbc9a2d3e5 - rustc::ty::query::plumbing::>::get_query::he9877b556c17037a Nov 01 20:46:03.257 INFO kablam! 55: 0x7fdbc99218dc - rustc::ty::query::plumbing::>::ensure_query::hfc3ab9a9410a6ccb Nov 01 20:46:03.258 INFO kablam! 56: 0x7fdbcad1f5b4 - rustc_borrowck::borrowck::borrowck::h3884d9a25db7a83f Nov 01 20:46:03.258 INFO kablam! 57: 0x7fdbc97c87dc - rustc::ty::query:: for rustc::ty::query::queries::borrowck<'tcx>>::compute::haffff8187543e9c0 Nov 01 20:46:03.259 INFO kablam! 58: 0x7fdbc9632541 - rustc::dep_graph::graph::DepGraph::with_task_impl::haa8b17075afdf1aa Nov 01 20:46:03.260 INFO kablam! 59: 0x7fdbc9764879 - rustc::ty::context::tls::with_related_context::h3aed648fa1a29b18 Nov 01 20:46:03.260 INFO kablam! 60: 0x7fdbc990514d - rustc::ty::query::plumbing::>::force_query_with_job::hca9415b34d083243 Nov 01 20:46:03.261 INFO kablam! 61: 0x7fdbc9a07a8a - rustc::ty::query::plumbing::>::get_query::hbd421940731606af Nov 01 20:46:03.262 INFO kablam! 62: 0x7fdbcad112a0 - rustc::ty::>::par_body_owners::h696d9f8665ac261a Nov 01 20:46:03.262 INFO kablam! 63: 0x7fdbcad1f2d7 - rustc_borrowck::borrowck::check_crate::h548ec5bc0f721a8d Nov 01 20:46:03.263 INFO kablam! 64: 0x7fdbcd9df671 - rustc::util::common::time::h0ec296434ceb11b3 Nov 01 20:46:03.264 INFO kablam! 65: 0x7fdbcda7f4f8 - rustc::ty::context::tls::enter_context::hb33b214071fffec8 Nov 01 20:46:03.264 INFO kablam! 66: 0x7fdbcda4b851 - >::with::hb71f547ec85891c6 Nov 01 20:46:03.265 INFO kablam! 67: 0x7fdbcda83b46 - rustc::ty::context::TyCtxt::create_and_enter::h61033f8340902fe8 Nov 01 20:46:03.266 INFO kablam! 68: 0x7fdbcd9cf633 - rustc_driver::driver::compile_input::ha583809387b0876b Nov 01 20:46:03.266 INFO kablam! 69: 0x7fdbcdac97a4 - rustc_driver::run_compiler_with_pool::h654e9ac63441fbba Nov 01 20:46:03.267 INFO kablam! 70: 0x7fdbcd9cd33b - rustc_driver::driver::spawn_thread_pool::h0006fca8c9f2c3ee Nov 01 20:46:03.268 INFO kablam! 71: 0x7fdbcdac87d7 - rustc_driver::run_compiler::h7ee8e903ba037448 Nov 01 20:46:03.268 INFO kablam! 72: 0x7fdbcd9bc054 - >::set::h34445bb6bb272261 Nov 01 20:46:03.269 INFO kablam! 73: 0x7fdbcda1a342 - syntax::with_globals::h5d19337873777c25 Nov 01 20:46:03.270 INFO kablam! 74: 0x7fdbcd6a97a9 - __rust_maybe_catch_panic Nov 01 20:46:03.270 INFO kablam! at libpanic_unwind/lib.rs:102 Nov 01 20:46:03.271 INFO kablam! 75: 0x7fdbcdac6905 - rustc_driver::run::hb129b3d04132133c Nov 01 20:46:03.272 INFO kablam! 76: 0x7fdbcdad441b - rustc_driver::main::h0ed2ed6dc9b702e1 Nov 01 20:46:03.272 INFO kablam! 77: 0x55ae1a689922 - std::rt::lang_start::{{closure}}::h5664c124ecc0930e Nov 01 20:46:03.273 INFO kablam! 78: 0x7fdbcd68bfa2 - std::panicking::try::do_call::h5f6dcd0e8aaf9f27 Nov 01 20:46:03.274 INFO kablam! at libstd/rt.rs:59 Nov 01 20:46:03.274 INFO kablam! at libstd/panicking.rs:310 Nov 01 20:46:03.275 INFO kablam! 79: 0x7fdbcd6a97a9 - __rust_maybe_catch_panic Nov 01 20:46:03.275 INFO kablam! at libpanic_unwind/lib.rs:102 Nov 01 20:46:03.276 INFO kablam! 80: 0x7fdbcd68c973 - std::rt::lang_start_internal::h19582fa11c099eb1 Nov 01 20:46:03.277 INFO kablam! at libstd/panicking.rs:289 Nov 01 20:46:03.277 INFO kablam! at libstd/panic.rs:392 Nov 01 20:46:03.278 INFO kablam! at libstd/rt.rs:58 Nov 01 20:46:03.278 INFO kablam! 81: 0x55ae1a689984 - main Nov 01 20:46:03.279 INFO kablam! 82: 0x7fdbcd27882f - __libc_start_main Nov 01 20:46:03.279 INFO kablam! 83: 0x55ae1a689808 - Nov 01 20:46:03.279 INFO kablam! query stack during panic: Nov 01 20:46:03.279 INFO kablam! #0 [mir_built] processing ` as compact::Compact>::decompact` Nov 01 20:46:03.280 INFO kablam! #1 [unsafety_check_result] processing ` as compact::Compact>::decompact` Nov 01 20:46:03.281 INFO kablam! #2 [mir_const] processing ` as compact::Compact>::decompact` Nov 01 20:46:03.281 INFO kablam! #3 [mir_validated] processing ` as compact::Compact>::decompact` Nov 01 20:46:03.281 INFO kablam! #4 [borrowck] processing ` as compact::Compact>::decompact` Nov 01 20:46:03.281 INFO kablam! end of query stack Nov 01 20:46:03.292 INFO kablam! error: aborting due to previous error Nov 01 20:46:03.293 INFO kablam! Nov 01 20:46:03.297 INFO kablam! Nov 01 20:46:03.297 INFO kablam! note: the compiler unexpectedly panicked. this is a bug. Nov 01 20:46:03.298 INFO kablam! Nov 01 20:46:03.298 INFO kablam! note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Nov 01 20:46:03.298 INFO kablam! Nov 01 20:46:03.299 INFO kablam! note: rustc 1.31.0-nightly (d7816399d 2018-10-31) running on x86_64-unknown-linux-gnu Nov 01 20:46:03.299 INFO kablam! Nov 01 20:46:03.299 INFO kablam! note: compiler flags: -C debuginfo=2 --crate-type lib Nov 01 20:46:03.299 INFO kablam! Nov 01 20:46:03.300 INFO kablam! note: some of the compiler flags provided by cargo are hidden Nov 01 20:46:03.300 INFO kablam! Nov 01 20:46:03.306 INFO kablam! error: Could not compile `compact`. Nov 01 20:46:03.306 INFO kablam! warning: build failed, waiting for other jobs to finish... Nov 01 20:46:05.936 INFO kablam! error: build failed Nov 01 20:46:05.936 INFO kablam! su: No module specific data is present Nov 01 20:46:06.293 INFO running `"docker" "rm" "-f" "b43a2a374b88ef2fe3f7746e98103fc1c45ad1edebcdcba7edea51a576cd2cdc"` Nov 01 20:46:06.441 INFO blam! b43a2a374b88ef2fe3f7746e98103fc1c45ad1edebcdcba7edea51a576cd2cdc