Nov 30 20:53:55.466 INFO checking imprint-0.2.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 30 20:53:55.466 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 20:53:55.707 INFO [stdout] bd3f2e9d362b80b7ac69d9ba78dbb0eaa22d8eeee5faab8f6c7853cd05ab2ab4 Nov 30 20:53:55.709 INFO running `"docker" "start" "-a" "bd3f2e9d362b80b7ac69d9ba78dbb0eaa22d8eeee5faab8f6c7853cd05ab2ab4"` Nov 30 20:53:56.203 INFO [stderr] usermod: no changes Nov 30 20:53:56.257 INFO [stderr] Checking imprint v0.2.0 (/source) Nov 30 20:53:57.360 INFO [stderr] error: internal compiler error: src/librustc/infer/lexical_region_resolve/mod.rs:269: cannot relate region: LUB(ReErased, ReEmpty) Nov 30 20:53:57.360 INFO [stderr] Nov 30 20:53:57.360 INFO [stderr] thread 'main' panicked at 'Box', src/librustc_errors/lib.rs:600:9 Nov 30 20:53:57.368 INFO [stderr] stack backtrace: Nov 30 20:53:57.490 INFO [stderr] 0: 0x7f1d9e4e9ee3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h12600e2be635be87 Nov 30 20:53:57.493 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 30 20:53:57.493 INFO [stderr] 1: 0x7f1d9e4e1508 - std::sys_common::backtrace::_print::h14c847f00082174a Nov 30 20:53:57.493 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Nov 30 20:53:57.493 INFO [stderr] 2: 0x7f1d9e4e6882 - std::panicking::default_hook::{{closure}}::h7a05b7ac243b1024 Nov 30 20:53:57.493 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Nov 30 20:53:57.493 INFO [stderr] at src/libstd/panicking.rs:211 Nov 30 20:53:57.493 INFO [stderr] 3: 0x7f1d9e4e65ed - std::panicking::default_hook::h251b951cf7c8ba19 Nov 30 20:53:57.493 INFO [stderr] at src/libstd/panicking.rs:227 Nov 30 20:53:57.493 INFO [stderr] 4: 0x7f1d9ab5ea51 - rustc::util::common::panic_hook::hc647c5aab41c6f3b Nov 30 20:53:57.493 INFO [stderr] 5: 0x7f1d9e4e7069 - std::panicking::rust_panic_with_hook::h47baf149b520c350 Nov 30 20:53:57.493 INFO [stderr] at src/libstd/panicking.rs:480 Nov 30 20:53:57.493 INFO [stderr] 6: 0x7f1d996fd8bc - std::panicking::begin_panic::h33f4cdcb14b15924 Nov 30 20:53:57.493 INFO [stderr] 7: 0x7f1d99711e6e - rustc_errors::Handler::bug::h0eb1173f28376e6d Nov 30 20:53:57.493 INFO [stderr] 8: 0x7f1d9a64360e - rustc::util::bug::opt_span_bug_fmt::{{closure}}::h473c5298908ba69b Nov 30 20:53:57.493 INFO [stderr] 9: 0x7f1d9a642eb9 - rustc::ty::context::tls::with_opt::{{closure}}::h5f12228d33f38cdd Nov 30 20:53:57.493 INFO [stderr] 10: 0x7f1d9a5799af - rustc::ty::context::tls::with_context_opt::hcf1b12e5b3e293e2 Nov 30 20:53:57.493 INFO [stderr] 11: 0x7f1d9a642b36 - rustc::ty::context::tls::with_opt::h923334f9993dc1f1 Nov 30 20:53:57.493 INFO [stderr] 12: 0x7f1d9a996a34 - rustc::util::bug::opt_span_bug_fmt::h8bd76b210134ab19 Nov 30 20:53:57.493 INFO [stderr] 13: 0x7f1d9a9969a6 - rustc::util::bug::bug_fmt::h708a11e1ba07de14 Nov 30 20:53:57.493 INFO [stderr] 14: 0x7f1d9a3e9b19 - rustc::infer::lexical_region_resolve::LexicalResolver::expand_node::h71868ba67cde4683 Nov 30 20:53:57.493 INFO [stderr] 15: 0x7f1d9a3e87af - rustc::infer::lexical_region_resolve::resolve::h706e89deb7c2ee9c Nov 30 20:53:57.494 INFO [stderr] 16: 0x7f1d9aa0298b - rustc::infer::InferCtxt::resolve_regions_and_report_errors::h96f0886cc8aeaed6 Nov 30 20:53:57.494 INFO [stderr] 17: 0x7f1d9cbb4d54 - rustc_typeck::check::regionck::>::regionck_fn::hcf6c8232965efec8 Nov 30 20:53:57.494 INFO [stderr] 18: 0x7f1d9cc6e23c - rustc::ty::context::tls::with_related_context::hdc1696683d245297 Nov 30 20:53:57.494 INFO [stderr] 19: 0x7f1d9cd6c6ba - rustc::infer::InferCtxtBuilder::enter::h2c0b6eeed13f63ea Nov 30 20:53:57.494 INFO [stderr] 20: 0x7f1d9cbcacdd - rustc_typeck::check::typeck_tables_of::hf3c41838431b4806 Nov 30 20:53:57.494 INFO [stderr] 21: 0x7f1d9a643f4c - rustc::ty::query:: for rustc::ty::query::queries::typeck_tables_of<'tcx>>::compute::h97020688f4aa9c63 Nov 30 20:53:57.494 INFO [stderr] 22: 0x7f1d9a4a2b3e - rustc::dep_graph::graph::DepGraph::with_task_impl::heab6333812b983a2 Nov 30 20:53:57.495 INFO [stderr] 23: 0x7f1d9a5e89b9 - rustc::ty::context::tls::with_related_context::h453c31fc152ba039 Nov 30 20:53:57.495 INFO [stderr] 24: 0x7f1d9a74b269 - rustc::ty::query::plumbing::>::force_query_with_job::h526e59dda8a6a932 Nov 30 20:53:57.495 INFO [stderr] 25: 0x7f1d9a801b78 - rustc::ty::query::plumbing::>::get_query::h47744deef69cb04d Nov 30 20:53:57.495 INFO [stderr] 26: 0x7f1d9a77a3fc - rustc::ty::query::plumbing::>::ensure_query::h750b5a9757870f44 Nov 30 20:53:57.495 INFO [stderr] 27: 0x7f1d9cbca7e1 - rustc_typeck::check::typeck_item_bodies::h42c10031de04be07 Nov 30 20:53:57.495 INFO [stderr] 28: 0x7f1d9a643f28 - rustc::ty::query:: for rustc::ty::query::queries::typeck_item_bodies<'tcx>>::compute::hc55e0e70a315fcd6 Nov 30 20:53:57.495 INFO [stderr] 29: 0x7f1d9a489cb7 - rustc::dep_graph::graph::DepGraph::with_task_impl::h94d5de4dc00694d6 Nov 30 20:53:57.495 INFO [stderr] 30: 0x7f1d9a5e7b81 - rustc::ty::context::tls::with_related_context::h42179bde0dabdf3c Nov 30 20:53:57.496 INFO [stderr] 31: 0x7f1d9a73d706 - rustc::ty::query::plumbing::>::force_query_with_job::h04a060563b8938d9 Nov 30 20:53:57.496 INFO [stderr] 32: 0x7f1d9a8a8e2b - rustc::ty::query::plumbing::>::get_query::hfb075b6cecfa011c Nov 30 20:53:57.496 INFO [stderr] 33: 0x7f1d9cc36379 - rustc_typeck::check_crate::h4f3fe230e02692c4 Nov 30 20:53:57.498 INFO [stderr] 34: 0x7f1d9e8b7f4a - rustc::ty::context::tls::enter_context::hc9e4f29df20186b4 Nov 30 20:53:57.499 INFO [stderr] 35: 0x7f1d9e8823a1 - >::with::h49ab0d51d3e80b56 Nov 30 20:53:57.499 INFO [stderr] 36: 0x7f1d9e8c1326 - rustc::ty::context::TyCtxt::create_and_enter::h53b99e85df7c4b13 Nov 30 20:53:57.499 INFO [stderr] 37: 0x7f1d9e8073c5 - rustc_driver::driver::compile_input::h66f067ffad417cc1 Nov 30 20:53:57.499 INFO [stderr] 38: 0x7f1d9e8de5b9 - rustc_driver::run_compiler_with_pool::h0db4629cf1484c77 Nov 30 20:53:57.499 INFO [stderr] 39: 0x7f1d9e80fc25 - >::set::hacaf58be6dd44b94 Nov 30 20:53:57.499 INFO [stderr] 40: 0x7f1d9e8dd5fa - rustc_driver::run_compiler::h35ffa676f1eb24c1 Nov 30 20:53:57.499 INFO [stderr] 41: 0x7f1d9e821db8 - syntax::with_globals::h104defcb0be885b4 Nov 30 20:53:57.499 INFO [stderr] 42: 0x7f1d9e504259 - __rust_maybe_catch_panic Nov 30 20:53:57.499 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Nov 30 20:53:57.499 INFO [stderr] 43: 0x7f1d9e8db6f5 - rustc_driver::run::h96c19ac8f0a8ed7f Nov 30 20:53:57.499 INFO [stderr] 44: 0x7f1d9e8e931b - rustc_driver::main::h35ea65852d4af9a0 Nov 30 20:53:57.499 INFO [stderr] 45: 0x559093a1d962 - std::rt::lang_start::{{closure}}::hf952136593e96750 Nov 30 20:53:57.499 INFO [stderr] 46: 0x7f1d9e4e6992 - std::panicking::try::do_call::hfdf09b99d6cf4e96 Nov 30 20:53:57.499 INFO [stderr] at src/libstd/rt.rs:59 Nov 30 20:53:57.499 INFO [stderr] at src/libstd/panicking.rs:310 Nov 30 20:53:57.499 INFO [stderr] 47: 0x7f1d9e504259 - __rust_maybe_catch_panic Nov 30 20:53:57.499 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Nov 30 20:53:57.499 INFO [stderr] 48: 0x7f1d9e4e7423 - std::rt::lang_start_internal::hc740d01aa243e529 Nov 30 20:53:57.499 INFO [stderr] at src/libstd/panicking.rs:289 Nov 30 20:53:57.499 INFO [stderr] at src/libstd/panic.rs:398 Nov 30 20:53:57.499 INFO [stderr] at src/libstd/rt.rs:58 Nov 30 20:53:57.499 INFO [stderr] 49: 0x559093a1d951 - main Nov 30 20:53:57.499 INFO [stderr] 50: 0x7f1d9e0d582f - __libc_start_main Nov 30 20:53:57.499 INFO [stderr] 51: 0x559093a1d808 - Nov 30 20:53:57.499 INFO [stderr] query stack during panic: Nov 30 20:53:57.513 INFO [stderr] #0 [typeck_tables_of] processing ` as std::clone::Clone>::clone` Nov 30 20:53:57.513 INFO [stderr] #1 [typeck_item_bodies] type-checking all item bodies Nov 30 20:53:57.513 INFO [stderr] end of query stack Nov 30 20:53:57.536 INFO [stderr] error: aborting due to previous error Nov 30 20:53:57.536 INFO [stderr] Nov 30 20:53:57.536 INFO [stderr] Nov 30 20:53:57.536 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Nov 30 20:53:57.536 INFO [stderr] Nov 30 20:53:57.536 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Nov 30 20:53:57.536 INFO [stderr] Nov 30 20:53:57.536 INFO [stderr] note: rustc 1.32.0-nightly (a49316ddc 2018-11-29) running on x86_64-unknown-linux-gnu Nov 30 20:53:57.536 INFO [stderr] Nov 30 20:53:57.536 INFO [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib Nov 30 20:53:57.536 INFO [stderr] Nov 30 20:53:57.537 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Nov 30 20:53:57.537 INFO [stderr] Nov 30 20:53:57.541 INFO [stderr] error: Could not compile `imprint`. Nov 30 20:53:57.543 INFO [stderr] warning: build failed, waiting for other jobs to finish... Nov 30 20:53:57.598 INFO [stderr] error: internal compiler error: src/librustc/infer/lexical_region_resolve/mod.rs:269: cannot relate region: LUB(ReErased, ReEmpty) Nov 30 20:53:57.599 INFO [stderr] Nov 30 20:53:57.600 INFO [stderr] thread 'main' panicked at 'Box', src/librustc_errors/lib.rs:600:9 Nov 30 20:53:57.600 INFO [stderr] stack backtrace: Nov 30 20:53:57.724 INFO [stderr] 0: 0x7f0ac6193ee3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h12600e2be635be87 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Nov 30 20:53:57.729 INFO [stderr] 1: 0x7f0ac618b508 - std::sys_common::backtrace::_print::h14c847f00082174a Nov 30 20:53:57.729 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Nov 30 20:53:57.729 INFO [stderr] 2: 0x7f0ac6190882 - std::panicking::default_hook::{{closure}}::h7a05b7ac243b1024 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/panicking.rs:211 Nov 30 20:53:57.729 INFO [stderr] 3: 0x7f0ac61905ed - std::panicking::default_hook::h251b951cf7c8ba19 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/panicking.rs:227 Nov 30 20:53:57.729 INFO [stderr] 4: 0x7f0ac2808a51 - rustc::util::common::panic_hook::hc647c5aab41c6f3b Nov 30 20:53:57.729 INFO [stderr] 5: 0x7f0ac6191069 - std::panicking::rust_panic_with_hook::h47baf149b520c350 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/panicking.rs:480 Nov 30 20:53:57.729 INFO [stderr] 6: 0x7f0ac13a78bc - std::panicking::begin_panic::h33f4cdcb14b15924 Nov 30 20:53:57.729 INFO [stderr] 7: 0x7f0ac13bbe6e - rustc_errors::Handler::bug::h0eb1173f28376e6d Nov 30 20:53:57.729 INFO [stderr] 8: 0x7f0ac22ed60e - rustc::util::bug::opt_span_bug_fmt::{{closure}}::h473c5298908ba69b Nov 30 20:53:57.729 INFO [stderr] 9: 0x7f0ac22eceb9 - rustc::ty::context::tls::with_opt::{{closure}}::h5f12228d33f38cdd Nov 30 20:53:57.729 INFO [stderr] 10: 0x7f0ac22239af - rustc::ty::context::tls::with_context_opt::hcf1b12e5b3e293e2 Nov 30 20:53:57.729 INFO [stderr] 11: 0x7f0ac22ecb36 - rustc::ty::context::tls::with_opt::h923334f9993dc1f1 Nov 30 20:53:57.729 INFO [stderr] 12: 0x7f0ac2640a34 - rustc::util::bug::opt_span_bug_fmt::h8bd76b210134ab19 Nov 30 20:53:57.729 INFO [stderr] 13: 0x7f0ac26409a6 - rustc::util::bug::bug_fmt::h708a11e1ba07de14 Nov 30 20:53:57.729 INFO [stderr] 14: 0x7f0ac2093b19 - rustc::infer::lexical_region_resolve::LexicalResolver::expand_node::h71868ba67cde4683 Nov 30 20:53:57.729 INFO [stderr] 15: 0x7f0ac20927af - rustc::infer::lexical_region_resolve::resolve::h706e89deb7c2ee9c Nov 30 20:53:57.729 INFO [stderr] 16: 0x7f0ac26ac98b - rustc::infer::InferCtxt::resolve_regions_and_report_errors::h96f0886cc8aeaed6 Nov 30 20:53:57.729 INFO [stderr] 17: 0x7f0ac485ed54 - rustc_typeck::check::regionck::>::regionck_fn::hcf6c8232965efec8 Nov 30 20:53:57.729 INFO [stderr] 18: 0x7f0ac491823c - rustc::ty::context::tls::with_related_context::hdc1696683d245297 Nov 30 20:53:57.729 INFO [stderr] 19: 0x7f0ac4a166ba - rustc::infer::InferCtxtBuilder::enter::h2c0b6eeed13f63ea Nov 30 20:53:57.729 INFO [stderr] 20: 0x7f0ac4874cdd - rustc_typeck::check::typeck_tables_of::hf3c41838431b4806 Nov 30 20:53:57.729 INFO [stderr] 21: 0x7f0ac22edf4c - rustc::ty::query:: for rustc::ty::query::queries::typeck_tables_of<'tcx>>::compute::h97020688f4aa9c63 Nov 30 20:53:57.729 INFO [stderr] 22: 0x7f0ac214cb3e - rustc::dep_graph::graph::DepGraph::with_task_impl::heab6333812b983a2 Nov 30 20:53:57.729 INFO [stderr] 23: 0x7f0ac22929b9 - rustc::ty::context::tls::with_related_context::h453c31fc152ba039 Nov 30 20:53:57.729 INFO [stderr] 24: 0x7f0ac23f5269 - rustc::ty::query::plumbing::>::force_query_with_job::h526e59dda8a6a932 Nov 30 20:53:57.729 INFO [stderr] 25: 0x7f0ac24abb78 - rustc::ty::query::plumbing::>::get_query::h47744deef69cb04d Nov 30 20:53:57.729 INFO [stderr] 26: 0x7f0ac24243fc - rustc::ty::query::plumbing::>::ensure_query::h750b5a9757870f44 Nov 30 20:53:57.729 INFO [stderr] 27: 0x7f0ac48747e1 - rustc_typeck::check::typeck_item_bodies::h42c10031de04be07 Nov 30 20:53:57.729 INFO [stderr] 28: 0x7f0ac22edf28 - rustc::ty::query:: for rustc::ty::query::queries::typeck_item_bodies<'tcx>>::compute::hc55e0e70a315fcd6 Nov 30 20:53:57.729 INFO [stderr] 29: 0x7f0ac2133cb7 - rustc::dep_graph::graph::DepGraph::with_task_impl::h94d5de4dc00694d6 Nov 30 20:53:57.729 INFO [stderr] 30: 0x7f0ac2291b81 - rustc::ty::context::tls::with_related_context::h42179bde0dabdf3c Nov 30 20:53:57.729 INFO [stderr] 31: 0x7f0ac23e7706 - rustc::ty::query::plumbing::>::force_query_with_job::h04a060563b8938d9 Nov 30 20:53:57.729 INFO [stderr] 32: 0x7f0ac2552e2b - rustc::ty::query::plumbing::>::get_query::hfb075b6cecfa011c Nov 30 20:53:57.729 INFO [stderr] 33: 0x7f0ac48e0379 - rustc_typeck::check_crate::h4f3fe230e02692c4 Nov 30 20:53:57.729 INFO [stderr] 34: 0x7f0ac6561f4a - rustc::ty::context::tls::enter_context::hc9e4f29df20186b4 Nov 30 20:53:57.729 INFO [stderr] 35: 0x7f0ac652c3a1 - >::with::h49ab0d51d3e80b56 Nov 30 20:53:57.729 INFO [stderr] 36: 0x7f0ac656b326 - rustc::ty::context::TyCtxt::create_and_enter::h53b99e85df7c4b13 Nov 30 20:53:57.729 INFO [stderr] 37: 0x7f0ac64b13c5 - rustc_driver::driver::compile_input::h66f067ffad417cc1 Nov 30 20:53:57.729 INFO [stderr] 38: 0x7f0ac65885b9 - rustc_driver::run_compiler_with_pool::h0db4629cf1484c77 Nov 30 20:53:57.729 INFO [stderr] 39: 0x7f0ac64b9c25 - >::set::hacaf58be6dd44b94 Nov 30 20:53:57.729 INFO [stderr] 40: 0x7f0ac65875fa - rustc_driver::run_compiler::h35ffa676f1eb24c1 Nov 30 20:53:57.729 INFO [stderr] 41: 0x7f0ac64cbdb8 - syntax::with_globals::h104defcb0be885b4 Nov 30 20:53:57.729 INFO [stderr] 42: 0x7f0ac61ae259 - __rust_maybe_catch_panic Nov 30 20:53:57.729 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Nov 30 20:53:57.729 INFO [stderr] 43: 0x7f0ac65856f5 - rustc_driver::run::h96c19ac8f0a8ed7f Nov 30 20:53:57.729 INFO [stderr] 44: 0x7f0ac659331b - rustc_driver::main::h35ea65852d4af9a0 Nov 30 20:53:57.729 INFO [stderr] 45: 0x55981c4f0962 - std::rt::lang_start::{{closure}}::hf952136593e96750 Nov 30 20:53:57.729 INFO [stderr] 46: 0x7f0ac6190992 - std::panicking::try::do_call::hfdf09b99d6cf4e96 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/rt.rs:59 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/panicking.rs:310 Nov 30 20:53:57.729 INFO [stderr] 47: 0x7f0ac61ae259 - __rust_maybe_catch_panic Nov 30 20:53:57.729 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Nov 30 20:53:57.729 INFO [stderr] 48: 0x7f0ac6191423 - std::rt::lang_start_internal::hc740d01aa243e529 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/panicking.rs:289 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/panic.rs:398 Nov 30 20:53:57.729 INFO [stderr] at src/libstd/rt.rs:58 Nov 30 20:53:57.729 INFO [stderr] 49: 0x55981c4f0951 - main Nov 30 20:53:57.729 INFO [stderr] 50: 0x7f0ac5d7f82f - __libc_start_main Nov 30 20:53:57.729 INFO [stderr] 51: 0x55981c4f0808 - Nov 30 20:53:57.729 INFO [stderr] query stack during panic: Nov 30 20:53:57.740 INFO [stderr] #0 [typeck_tables_of] processing ` as std::clone::Clone>::clone` Nov 30 20:53:57.740 INFO [stderr] #1 [typeck_item_bodies] type-checking all item bodies Nov 30 20:53:57.740 INFO [stderr] end of query stack Nov 30 20:53:57.742 INFO [stderr] error: aborting due to previous error Nov 30 20:53:57.742 INFO [stderr] Nov 30 20:53:57.744 INFO [stderr] Nov 30 20:53:57.744 INFO [stderr] note: the compiler unexpectedly panicked. this is a bug. Nov 30 20:53:57.744 INFO [stderr] Nov 30 20:53:57.744 INFO [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports Nov 30 20:53:57.744 INFO [stderr] Nov 30 20:53:57.744 INFO [stderr] note: rustc 1.32.0-nightly (a49316ddc 2018-11-29) running on x86_64-unknown-linux-gnu Nov 30 20:53:57.744 INFO [stderr] Nov 30 20:53:57.744 INFO [stderr] note: compiler flags: -C debuginfo=2 Nov 30 20:53:57.744 INFO [stderr] Nov 30 20:53:57.744 INFO [stderr] note: some of the compiler flags provided by cargo are hidden Nov 30 20:53:57.744 INFO [stderr] Nov 30 20:53:57.759 INFO [stderr] error: Could not compile `imprint`. Nov 30 20:53:57.759 INFO [stderr] Nov 30 20:53:57.759 INFO [stderr] To learn more, run the command again with --verbose. Nov 30 20:53:57.759 INFO [stderr] su: No module specific data is present Nov 30 20:53:58.038 INFO running `"docker" "inspect" "bd3f2e9d362b80b7ac69d9ba78dbb0eaa22d8eeee5faab8f6c7853cd05ab2ab4"` Nov 30 20:53:58.142 INFO running `"docker" "rm" "-f" "bd3f2e9d362b80b7ac69d9ba78dbb0eaa22d8eeee5faab8f6c7853cd05ab2ab4"` Nov 30 20:53:58.294 INFO [stdout] bd3f2e9d362b80b7ac69d9ba78dbb0eaa22d8eeee5faab8f6c7853cd05ab2ab4