Nov 27 21:06:58.729 INFO documenting hhatto/fcsv against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318 Nov 27 21:06:58.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-2/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/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 +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-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 21:06:59.333 INFO [stdout] 78d36ae4cb3f033d68c055ec81969002167541692a77416810f81edf73f32e6a Nov 27 21:06:59.335 INFO running `"docker" "start" "-a" "78d36ae4cb3f033d68c055ec81969002167541692a77416810f81edf73f32e6a"` Nov 27 21:07:01.210 INFO [stderr] usermod: no changes Nov 27 21:07:01.419 INFO [stderr] Compiling proc-macro-hack-impl v0.4.1 Nov 27 21:07:01.419 INFO [stderr] Checking spin v0.4.9 Nov 27 21:07:01.434 INFO [stderr] Compiling aho-corasick v0.6.8 Nov 27 21:07:01.434 INFO [stderr] Compiling thread_local v0.3.6 Nov 27 21:07:01.434 INFO [stderr] Compiling syn v0.14.9 Nov 27 21:07:03.915 INFO [stderr] Compiling regex v1.0.5 Nov 27 21:07:08.283 INFO [stderr] Compiling proc-macro-hack v0.4.1 Nov 27 21:07:08.636 INFO [stderr] Compiling mashup-impl v0.1.7 Nov 27 21:07:15.475 INFO [stderr] Checking mashup v0.1.7 Nov 27 21:07:26.300 INFO [stderr] Compiling pyo3 v0.4.1 Nov 27 21:07:46.099 INFO [stderr] Compiling pyo3-derive-backend v0.4.1 Nov 27 21:07:55.044 INFO [stderr] Compiling pyo3cls v0.4.1 Nov 27 21:08:01.664 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 21:08:01.665 INFO [stderr] Nov 27 21:08:01.665 INFO [stderr] thread 'main' panicked at 'Box', src/librustc_errors/lib.rs:600:9 Nov 27 21:08:01.665 INFO [stderr] stack backtrace: Nov 27 21:08:01.802 INFO [stderr] 0: 0x7f4bb24bcdc3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hd54bf03150578a04 Nov 27 21:08:01.812 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 27 21:08:01.812 INFO [stderr] 1: 0x7f4bb24b4418 - std::sys_common::backtrace::_print::hbc4190a26a28239f Nov 27 21:08:01.812 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Nov 27 21:08:01.813 INFO [stderr] 2: 0x7f4bb24b9762 - std::panicking::default_hook::{{closure}}::he23730a9977d5d2c Nov 27 21:08:01.813 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Nov 27 21:08:01.813 INFO [stderr] at src/libstd/panicking.rs:211 Nov 27 21:08:01.813 INFO [stderr] 3: 0x7f4bb24b94cd - std::panicking::default_hook::h84b3205da674e965 Nov 27 21:08:01.813 INFO [stderr] at src/libstd/panicking.rs:227 Nov 27 21:08:01.813 INFO [stderr] 4: 0x7f4baeb30c01 - rustc::util::common::panic_hook::h2a713888c04ac006 Nov 27 21:08:01.813 INFO [stderr] 5: 0x7f4bb24b9f49 - std::panicking::rust_panic_with_hook::h1982b651954184b4 Nov 27 21:08:01.813 INFO [stderr] at src/libstd/panicking.rs:480 Nov 27 21:08:01.815 INFO [stderr] 6: 0x7f4bad6e47ec - std::panicking::begin_panic::h745915ce0c3a1470 Nov 27 21:08:01.815 INFO [stderr] 7: 0x7f4bad6f8d8e - rustc_errors::Handler::bug::hb14935f8fd479a40 Nov 27 21:08:01.815 INFO [stderr] 8: 0x7f4bae6150de - rustc::util::bug::opt_span_bug_fmt::{{closure}}::h7b1fc72bb652adf9 Nov 27 21:08:01.815 INFO [stderr] 9: 0x7f4bae614ef9 - rustc::ty::context::tls::with_opt::{{closure}}::ha48698fd6f0e5d1f Nov 27 21:08:01.815 INFO [stderr] 10: 0x7f4bae54b2df - rustc::ty::context::tls::with_context_opt::hb7a7ebe14b33937d Nov 27 21:08:01.815 INFO [stderr] 11: 0x7f4bae614466 - rustc::ty::context::tls::with_opt::h0fcde5f3a236e80e Nov 27 21:08:01.815 INFO [stderr] 12: 0x7f4bae96c164 - rustc::util::bug::opt_span_bug_fmt::h0fd1e7d03e488d00 Nov 27 21:08:01.815 INFO [stderr] 13: 0x7f4bae96c0d6 - rustc::util::bug::bug_fmt::hd44238b33d35ed2e Nov 27 21:08:01.815 INFO [stderr] 14: 0x7f4bae529372 - rustc::traits::specialize::translate_substs::{{closure}}::hd93dc062abbc69cf Nov 27 21:08:01.815 INFO [stderr] 15: 0x7f4bae529315 - rustc::traits::specialize::translate_substs::hfbb65cb980c0f5d4 Nov 27 21:08:01.815 INFO [stderr] 16: 0x7f4bae5ca744 - rustc::ty::context::tls::with_related_context::h74b039cb041a9a7b Nov 27 21:08:01.815 INFO [stderr] 17: 0x7f4bae9ce2d1 - rustc::infer::InferCtxtBuilder::enter::h2773d8c30364e3c2 Nov 27 21:08:01.815 INFO [stderr] 18: 0x7f4bae529a1e - rustc::traits::specialize::find_associated_item::h79f2d450195bc3b7 Nov 27 21:08:01.815 INFO [stderr] 19: 0x7f4bae497a6a - rustc::ty::instance::Instance::resolve::hfd19eb218537d217 Nov 27 21:08:01.815 INFO [stderr] 20: 0x7f4baf4c2574 - rustc_mir::lints::check::heaff2d0284786e84 Nov 27 21:08:01.815 INFO [stderr] 21: 0x7f4baf783aa6 - rustc::ty::context::tls::with_related_context::h6b2d3f92f590c527 Nov 27 21:08:01.815 INFO [stderr] 22: 0x7f4baf5aea3a - rustc::infer::InferCtxtBuilder::enter::h86c79e5e5a230aaf Nov 27 21:08:01.815 INFO [stderr] 23: 0x7f4baf434fd3 - rustc_mir::build::mir_build::h38d426b34ee86a01 Nov 27 21:08:01.815 INFO [stderr] 24: 0x7f4baf73106b - rustc_mir::transform::mir_built::h7187509eab6b3e84 Nov 27 21:08:01.819 INFO [stderr] 25: 0x7f4bae61587c - rustc::ty::query:: for rustc::ty::query::queries::mir_built<'tcx>>::compute::h02da1f54699672f0 Nov 27 21:08:01.819 INFO [stderr] 26: 0x7f4bae44425e - rustc::dep_graph::graph::DepGraph::with_task_impl::h5e62bb115be27b7a Nov 27 21:08:01.819 INFO [stderr] 27: 0x7f4bae5c1709 - rustc::ty::context::tls::with_related_context::h637fefc81c4f3778 Nov 27 21:08:01.819 INFO [stderr] 28: 0x7f4bae722729 - rustc::ty::query::plumbing::>::force_query_with_job::h6fd7deac85380390 Nov 27 21:08:01.819 INFO [stderr] 29: 0x7f4bae84d45b - rustc::ty::query::plumbing::>::get_query::hc9c3144d153ee504 Nov 27 21:08:01.819 INFO [stderr] 30: 0x7f4baf65edef - rustc_mir::transform::check_unsafety::unsafety_check_result::h8f400598dde2b2e6 Nov 27 21:08:01.819 INFO [stderr] 31: 0x7f4bae6e43cd - rustc::ty::query::__query_compute::unsafety_check_result::h307397086ab861a8 Nov 27 21:08:01.819 INFO [stderr] 32: 0x7f4bae615944 - rustc::ty::query:: for rustc::ty::query::queries::unsafety_check_result<'tcx>>::compute::hd6146eebb574d627 Nov 27 21:08:01.819 INFO [stderr] 33: 0x7f4bae454184 - rustc::dep_graph::graph::DepGraph::with_task_impl::h94d1eaa0124a7381 Nov 27 21:08:01.819 INFO [stderr] 34: 0x7f4bae5cd90a - rustc::ty::context::tls::with_related_context::h7bdee4b9689c46ca Nov 27 21:08:01.819 INFO [stderr] 35: 0x7f4bae70eefe - rustc::ty::query::plumbing::>::force_query_with_job::h04e26e15a1dafce6 Nov 27 21:08:01.819 INFO [stderr] 36: 0x7f4bae83757b - rustc::ty::query::plumbing::>::get_query::hb257089c14286e7e Nov 27 21:08:01.819 INFO [stderr] 37: 0x7f4bae892de0 - rustc::ty::query::>::unsafety_check_result::h0ecc930ec08b31d8 Nov 27 21:08:01.819 INFO [stderr] 38: 0x7f4baf73241f - rustc_mir::transform::mir_const::hf2f243493fb6131a Nov 27 21:08:01.819 INFO [stderr] 39: 0x7f4bae6158ac - rustc::ty::query:: for rustc::ty::query::queries::mir_const<'tcx>>::compute::h8696550c5d1388c3 Nov 27 21:08:01.819 INFO [stderr] 40: 0x7f4bae44425e - rustc::dep_graph::graph::DepGraph::with_task_impl::h5e62bb115be27b7a Nov 27 21:08:01.819 INFO [stderr] 41: 0x7f4bae5b2ac9 - rustc::ty::context::tls::with_related_context::h42f6d38cc0694ff9 Nov 27 21:08:01.819 INFO [stderr] 42: 0x7f4bae717329 - rustc::ty::query::plumbing::>::force_query_with_job::h2e4aaea5e00414a6 Nov 27 21:08:01.819 INFO [stderr] 43: 0x7f4bae7f4bdb - rustc::ty::query::plumbing::>::get_query::h75a8fde847b67956 Nov 27 21:08:01.819 INFO [stderr] 44: 0x7f4baf732729 - rustc_mir::transform::mir_validated::hd9f15f7f822f3094 Nov 27 21:08:01.819 INFO [stderr] 45: 0x7f4bae6158dc - rustc::ty::query:: for rustc::ty::query::queries::mir_validated<'tcx>>::compute::hccc891409fb4f76e Nov 27 21:08:01.819 INFO [stderr] 46: 0x7f4bae44425e - rustc::dep_graph::graph::DepGraph::with_task_impl::h5e62bb115be27b7a Nov 27 21:08:01.819 INFO [stderr] 47: 0x7f4bae5e4ee9 - rustc::ty::context::tls::with_related_context::haad8e6ea988e7dbd Nov 27 21:08:01.819 INFO [stderr] 48: 0x7f4bae724aa9 - rustc::ty::query::plumbing::>::force_query_with_job::h7522afdba0929002 Nov 27 21:08:01.819 INFO [stderr] 49: 0x7f4bae821c8b - rustc::ty::query::plumbing::>::get_query::ha1dedc43ca123815 Nov 27 21:08:01.819 INFO [stderr] 50: 0x7f4bae74c81c - rustc::ty::query::plumbing::>::ensure_query::h9083ce4a13539d22 Nov 27 21:08:01.819 INFO [stderr] 51: 0x7f4bafb1bc47 - rustc_borrowck::borrowck::borrowck::h027763accf731671 Nov 27 21:08:01.819 INFO [stderr] 52: 0x7f4bae615adc - rustc::ty::query:: for rustc::ty::query::queries::borrowck<'tcx>>::compute::hfa7218a0bcb2a9b7 Nov 27 21:08:01.819 INFO [stderr] 53: 0x7f4bae42bd1e - rustc::dep_graph::graph::DepGraph::with_task_impl::h2131343b11ae60ae Nov 27 21:08:01.819 INFO [stderr] 54: 0x7f4bae5c5f59 - rustc::ty::context::tls::with_related_context::h6ce650f95c87330e Nov 27 21:08:01.819 INFO [stderr] 55: 0x7f4bae7311b3 - rustc::ty::query::plumbing::>::force_query_with_job::hbc67dcb4e7c4256d Nov 27 21:08:01.819 INFO [stderr] 56: 0x7f4bae80cbe8 - rustc::ty::query::plumbing::>::get_query::h8e2d5f879a12c40d Nov 27 21:08:01.819 INFO [stderr] 57: 0x7f4bafb116e0 - rustc::ty::>::par_body_owners::hb7d86564067a04d1 Nov 27 21:08:01.819 INFO [stderr] 58: 0x7f4bafb1b967 - rustc_borrowck::borrowck::check_crate::hac0f9b82191380d9 Nov 27 21:08:01.819 INFO [stderr] 59: 0x7f4bb2809bc1 - rustc::util::common::time::h0d12f43534519ec9 Nov 27 21:08:01.819 INFO [stderr] 60: 0x7f4bb2889f58 - rustc::ty::context::tls::enter_context::h204a08c0642320a2 Nov 27 21:08:01.819 INFO [stderr] 61: 0x7f4bb2858f51 - >::with::he664578284ff4dfd Nov 27 21:08:01.819 INFO [stderr] 62: 0x7f4bb2891cbf - rustc::ty::context::TyCtxt::create_and_enter::h7f13e937d6e1e89a Nov 27 21:08:01.819 INFO [stderr] 63: 0x7f4bb27dae7b - rustc_driver::driver::compile_input::h17627c1e759fdd73 Nov 27 21:08:01.819 INFO [stderr] 64: 0x7f4bb28b1d89 - rustc_driver::run_compiler_with_pool::he959046ced11a84e Nov 27 21:08:01.819 INFO [stderr] 65: 0x7f4bb27e4c95 - >::set::ha4343372a00b0f9a Nov 27 21:08:01.819 INFO [stderr] 66: 0x7f4bb28b0dca - rustc_driver::run_compiler::h34edc6764f5b8f9b Nov 27 21:08:01.820 INFO [stderr] 67: 0x7f4bb27f6f38 - syntax::with_globals::h64aab87edf20a948 Nov 27 21:08:01.820 INFO [stderr] 68: 0x7f4bb24d7139 - __rust_maybe_catch_panic Nov 27 21:08:01.825 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Nov 27 21:08:01.825 INFO [stderr] 69: 0x7f4bb28aeec5 - rustc_driver::run::h635dd9f745951b64 Nov 27 21:08:01.825 INFO [stderr] 70: 0x7f4bb28bcafb - rustc_driver::main::h7deed4d179cd6955 Nov 27 21:08:01.825 INFO [stderr] 71: 0x5598cb38b962 - std::rt::lang_start::{{closure}}::hbcc7e62af1bc4148 Nov 27 21:08:01.825 INFO [stderr] 72: 0x7f4bb24b9872 - std::panicking::try::do_call::haa8c3812c8ee3dac Nov 27 21:08:01.825 INFO [stderr] at src/libstd/rt.rs:59 Nov 27 21:08:01.825 INFO [stderr] at src/libstd/panicking.rs:310 Nov 27 21:08:01.825 INFO [stderr] 73: 0x7f4bb24d7139 - __rust_maybe_catch_panic Nov 27 21:08:01.825 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Nov 27 21:08:01.825 INFO [stderr] 74: 0x7f4bb24ba303 - std::rt::lang_start_internal::h209b9d62a82d0a63 Nov 27 21:08:01.825 INFO [stderr] at src/libstd/panicking.rs:289 Nov 27 21:08:01.825 INFO [stderr] at src/libstd/panic.rs:398 Nov 27 21:08:01.825 INFO [stderr] at src/libstd/rt.rs:58 Nov 27 21:08:01.825 INFO [stderr] 75: 0x5598cb38b951 - main Nov 27 21:08:01.825 INFO [stderr] 76: 0x7f4bb20a882f - __libc_start_main Nov 27 21:08:01.825 INFO [stderr] 77: 0x5598cb38b808 - Nov 27 21:08:01.825 INFO [stderr] query stack during panic: Nov 27 21:08:01.825 INFO [stderr] #0 [mir_built] processing `freelist:: for T>::dealloc` Nov 27 21:08:01.825 INFO [stderr] #1 [unsafety_check_result] processing `freelist:: for T>::dealloc` Nov 27 21:08:01.825 INFO [stderr] #2 [mir_const] processing `freelist:: for T>::dealloc` Nov 27 21:08:01.825 INFO [stderr] #3 [mir_validated] processing `freelist:: for T>::dealloc` Nov 27 21:08:01.825 INFO [stderr] #4 [borrowck] processing `freelist:: for T>::dealloc` Nov 27 21:08:01.825 INFO [stderr] end of query stack Nov 27 21:08:01.842 INFO [stderr] error: aborting due to previous error Nov 27 21:08:01.842 INFO [stderr] Nov 27 21:08:01.844 INFO [stderr] Nov 27 21:08:01.844 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Nov 27 21:08:01.844 INFO [stderr] Nov 27 21:08:01.844 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Nov 27 21:08:01.844 INFO [stderr] Nov 27 21:08:01.844 INFO [stderr] note: rustc 1.32.0-nightly (6bfb46e4a 2018-11-26) running on x86_64-unknown-linux-gnu Nov 27 21:08:01.844 INFO [stderr] Nov 27 21:08:01.844 INFO [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib Nov 27 21:08:01.844 INFO [stderr] Nov 27 21:08:01.844 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Nov 27 21:08:01.844 INFO [stderr] Nov 27 21:08:01.868 INFO [stderr] error: Could not compile `pyo3`. Nov 27 21:08:01.868 INFO [stderr] Nov 27 21:08:01.868 INFO [stderr] To learn more, run the command again with --verbose. Nov 27 21:08:01.870 INFO [stderr] su: No module specific data is present Nov 27 21:08:02.301 INFO running `"docker" "inspect" "78d36ae4cb3f033d68c055ec81969002167541692a77416810f81edf73f32e6a"` Nov 27 21:08:02.393 INFO running `"docker" "rm" "-f" "78d36ae4cb3f033d68c055ec81969002167541692a77416810f81edf73f32e6a"` Nov 27 21:08:02.489 INFO [stdout] 78d36ae4cb3f033d68c055ec81969002167541692a77416810f81edf73f32e6a