[INFO] cloning repository pandaman64/cps [INFO] running `"git" "clone" "--bare" "git://github.com/pandaman64/cps.git" "work/cache/sources/gh/pandaman64/cps"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/pandaman64/cps'... [INFO] running `"git" "clone" "work/cache/sources/gh/pandaman64/cps" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pandaman64/cps"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pandaman64/cps'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pandaman64/cps" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pandaman64/cps"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pandaman64/cps'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2879fa7f4579e3fe8cae7be0f99a711e6657f698 [INFO] sha for GitHub repo pandaman64/cps: 2879fa7f4579e3fe8cae7be0f99a711e6657f698 [INFO] validating manifest of pandaman64/cps on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of pandaman64/cps on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing pandaman64/cps [INFO] removed workspace from pandaman64/cps [INFO] finished frobbing pandaman64/cps [INFO] frobbed toml for pandaman64/cps written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pandaman64/cps/Cargo.toml [INFO] started frobbing pandaman64/cps [INFO] removed workspace from pandaman64/cps [INFO] finished frobbing pandaman64/cps [INFO] frobbed toml for pandaman64/cps written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pandaman64/cps/Cargo.toml [INFO] crate pandaman64/cps already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded runtime v0.3.0-alpha.4 [INFO] [stderr] Downloaded runtime-raw v0.3.0-alpha.3 [INFO] [stderr] Downloaded async-ready v2.1.0 [INFO] [stderr] Downloaded async-datagram v2.2.0 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.16 [INFO] [stderr] Downloaded eff-attr v0.0.6 [INFO] [stderr] Downloaded runtime-native v0.3.0-alpha.3 [INFO] [stderr] Downloaded juliex v0.3.0-alpha.6 [INFO] [stderr] Downloaded romio v0.3.0-alpha.8 [INFO] [stderr] Downloaded runtime-attributes v0.3.0-alpha.4 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing pandaman64/cps against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pandaman64/cps:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 4049418bff8339e5827f5c56f892feedc35e02b01fe7cbac12c7f8d135bee502 [INFO] running `"docker" "start" "-a" "4049418bff8339e5827f5c56f892feedc35e02b01fe7cbac12c7f8d135bee502"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling proc-macro-hack v0.5.7 [INFO] [stderr] Compiling eff-attr v0.0.6 [INFO] [stderr] Compiling eff v0.0.8 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.94s [INFO] running `"docker" "inspect" "4049418bff8339e5827f5c56f892feedc35e02b01fe7cbac12c7f8d135bee502"` [INFO] running `"docker" "rm" "-f" "4049418bff8339e5827f5c56f892feedc35e02b01fe7cbac12c7f8d135bee502"` [INFO] [stdout] 4049418bff8339e5827f5c56f892feedc35e02b01fe7cbac12c7f8d135bee502 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pandaman64/cps:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 2b1fda0f4857251ed60ee5e012b80bc149534c7ab922146750553693a5e8f5f9 [INFO] running `"docker" "start" "-a" "2b1fda0f4857251ed60ee5e012b80bc149534c7ab922146750553693a5e8f5f9"` [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling async-ready v2.1.0 [INFO] [stderr] Compiling async-datagram v2.2.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling mio v0.6.17 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-deque v0.6.3 [INFO] [stderr] Compiling runtime-attributes v0.3.0-alpha.4 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling crossbeam v0.6.0 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling juliex v0.3.0-alpha.6 [INFO] [stderr] Compiling runtime-raw v0.3.0-alpha.3 [INFO] [stderr] Compiling romio v0.3.0-alpha.8 [INFO] [stderr] Compiling runtime-native v0.3.0-alpha.3 [INFO] [stderr] Compiling runtime v0.3.0-alpha.4 [INFO] [stderr] Compiling eff v0.0.8 (/opt/crater/workdir) [INFO] [stderr] error: internal compiler error: src/librustc_mir/transform/generator.rs:532: Broken MIR: generator contains type std::thread::JoinHandle<()> in MIR, but typeck only knows about for<'r, 's, 't0, 't1, 't2, 't3, 't4, 't5, 't6> {bool, for<'t7> fn(&'r str, &'t7 (&'static str, u32, u32)) -> ! {std::rt::begin_panic::<&'r str>}, &'s str, u32, (&'t0 str, u32, u32), &'t1 (&'t2 str, u32, u32), &'t3 (&'t4 str, u32, u32), !, eff::Suspension, !>>, (), eff::AwaitedPoll>, eff::coproduct::Either, eff::context::TypedContext, eff::Continue, &'t5 eff::context::Context, eff::context::TypedContext>, crossbeam_channel::channel::Receiver, fn(eff::coproduct::Either, !>) -> eff::Suspension, !>> {eff::Suspension::, !>>::Effect}, fn(eff::Continue, eff::context::TypedContext>) -> eff::coproduct::Either, !> {, !> as eff::coproduct::Inject, eff::coproduct::Zero>>::inject}, eff::coproduct::Either, !>, &'t6 crossbeam_channel::channel::Receiver, std::result::Result} [INFO] [stderr] --> tests/multithread.rs:24:21 [INFO] [stderr] | [INFO] [stderr] 24 | .handle(eff::handler! { [INFO] [stderr] | _____________________^ [INFO] [stderr] 25 | | x => x, [INFO] [stderr] 26 | | LongComputation, k => { [INFO] [stderr] 27 | | thread::spawn({ [INFO] [stderr] ... | [INFO] [stderr] 35 | | } [INFO] [stderr] 36 | | }) [INFO] [stderr] | |_____________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] thread 'rustc' panicked at 'Box', src/librustc_errors/lib.rs:573:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f0b6d9bf1bb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x7f0b6d9bf1bb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f0b6d9bf1bb - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x7f0b6d9bf1bb - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x7f0b6d9bf1bb - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x7f0b6d9beebc - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x7f0b6af7bdf1 - rustc::util::common::panic_hook::h899303b15f8ab7a0 [INFO] [stderr] 7: 0x7f0b6d9bfa19 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:479 [INFO] [stderr] 8: 0x7f0b6c473a7d - std::panicking::begin_panic::hc25b2c40a4937459 [INFO] [stderr] 9: 0x7f0b6c4c87bd - rustc_errors::Handler::span_bug::hc3246f733089facc [INFO] [stderr] 10: 0x7f0b6c212c52 - rustc::util::bug::opt_span_bug_fmt::{{closure}}::h227da2e4d22ff5dd [INFO] [stderr] 11: 0x7f0b6c210d8a - rustc::ty::context::tls::with_opt::{{closure}}::h277de37510eb6a64 [INFO] [stderr] 12: 0x7f0b6c210cf0 - rustc::ty::context::tls::with_context_opt::hc8e9f4a54b1f222c [INFO] [stderr] 13: 0x7f0b6c210d37 - rustc::ty::context::tls::with_opt::h71b04cd6728aa60e [INFO] [stderr] 14: 0x7f0b6c212b48 - rustc::util::bug::opt_span_bug_fmt::h6552037ed53951f6 [INFO] [stderr] 15: 0x7f0b6c212afa - rustc::util::bug::span_bug_fmt::h6e349a205db6e644 [INFO] [stderr] 16: 0x7f0b6c46d29a - ::run_pass::hd1df5e25afc9e022 [INFO] [stderr] 17: 0x7f0b6c18b85d - rustc_mir::transform::run_passes::{{closure}}::h8d504efae52dd067 [INFO] [stderr] 18: 0x7f0b6c18b504 - rustc_mir::transform::run_passes::hf18dfa3d06d26a3c [INFO] [stderr] 19: 0x7f0b6c18c46b - rustc_mir::transform::optimized_mir::h1eb9da5d2617696d [INFO] [stderr] 20: 0x7f0b6c20bd3d - rustc::ty::query::__query_compute::optimized_mir::hfe23c245199c3701 [INFO] [stderr] 21: 0x7f0b6c523c8d - rustc::ty::query::::compute::h7c9490c14a6e4352 [INFO] [stderr] 22: 0x7f0b6c29aba7 - rustc::dep_graph::graph::DepGraph::with_task_impl::h5f9f873442b460c8 [INFO] [stderr] 23: 0x7f0b6c53a9f7 - rustc::ty::query::plumbing::::get_query::h12e9b5b2f4d9312b [INFO] [stderr] 24: 0x7f0b6c4a07d9 - rustc_mir::shim::make_shim::h69a82b70f9449676 [INFO] [stderr] 25: 0x7f0b6ab6ff11 - rustc::ty::query::__query_compute::mir_shims::ha7afa9cee56d6602 [INFO] [stderr] 26: 0x7f0b6af105d6 - rustc::ty::query::::compute::h4c70a122a01c732d [INFO] [stderr] 27: 0x7f0b6aabb7ff - rustc::dep_graph::graph::DepGraph::with_task_impl::h1ac3184ec024ba21 [INFO] [stderr] 28: 0x7f0b6ae349a8 - rustc::ty::query::plumbing::::get_query::hffcced562adbbed7 [INFO] [stderr] 29: 0x7f0b6af0e363 - rustc::ty::::instance_mir::he46fdb130ea28ab6 [INFO] [stderr] 30: 0x7f0b6c394783 - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 31: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 32: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 33: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 34: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 35: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 36: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 37: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 38: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 39: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 40: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 41: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 42: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 43: 0x7f0b6c39539d - rustc_mir::monomorphize::collector::collect_items_rec::h93db0eb45d671eec [INFO] [stderr] 44: 0x7f0b6c23eefd - rustc_mir::monomorphize::collector::collect_crate_mono_items::{{closure}}::h79a3a1d10b49ccbc [INFO] [stderr] 45: 0x7f0b6c213237 - rustc::util::common::time::hb2677696a14cd7a7 [INFO] [stderr] 46: 0x7f0b6c393b8a - rustc_mir::monomorphize::collector::collect_crate_mono_items::ha2a0badb9fbedc1a [INFO] [stderr] 47: 0x7f0b6c212e3d - rustc::util::common::time::h446b1e0e57abe74f [INFO] [stderr] 48: 0x7f0b6c3f3a49 - rustc_mir::monomorphize::partitioning::collect_and_partition_mono_items::h82e695840c9e947d [INFO] [stderr] 49: 0x7f0b62b448ba - rustc::ty::query::__query_compute::collect_and_partition_mono_items::hbedb2f95dd65780c [INFO] [stderr] 50: 0x7f0b62b72a99 - rustc::ty::query::::compute::hf3ba8678944bd910 [INFO] [stderr] 51: 0x7f0b62b120aa - rustc::dep_graph::graph::DepGraph::with_task_impl::hb452f30927288b5a [INFO] [stderr] 52: 0x7f0b62b9b90b - rustc::ty::query::plumbing::::get_query::h80d726778f5fca80 [INFO] [stderr] 53: 0x7f0b62c1d8af - rustc_codegen_ssa::base::codegen_crate::h09de23ddf11dea2d [INFO] [stderr] 54: 0x7f0b62c1ae7a - ::codegen_crate::hd200c9993ea29011 [INFO] [stderr] 55: 0x7f0b6cc4a857 - rustc::util::common::time::h8a47ef2834213808 [INFO] [stderr] 56: 0x7f0b6cbf566b - rustc_interface::passes::start_codegen::hc60d21baf0c03d73 [INFO] [stderr] 57: 0x7f0b6cbdc637 - rustc::ty::context::tls::enter_global::ha1e4c1da9efaf785 [INFO] [stderr] 58: 0x7f0b6cbf5e71 - rustc_interface::passes::BoxedGlobalCtxt::access::{{closure}}::ha2c855e8e9cb2b6d [INFO] [stderr] 59: 0x7f0b6cc525f5 - rustc_interface::passes::create_global_ctxt::{{closure}}::h1e1d21be39b68558 [INFO] [stderr] 60: 0x7f0b6cbf49c6 - rustc_interface::passes::BoxedGlobalCtxt::enter::hc58f7d02e34d2973 [INFO] [stderr] 61: 0x7f0b6cbe1720 - rustc_interface::queries::Query::compute::hf395b3b039483f08 [INFO] [stderr] 62: 0x7f0b6ccca4e4 - rustc_interface::queries::::ongoing_codegen::h3bc31160e648147e [INFO] [stderr] 63: 0x7f0b6dcb4750 - rustc_interface::interface::run_compiler_in_existing_thread_pool::h2a56426ca926fe54 [INFO] [stderr] 64: 0x7f0b6dd24c06 - std::thread::local::LocalKey::with::hb28c445deb72dd87 [INFO] [stderr] 65: 0x7f0b6dcc9665 - scoped_tls::ScopedKey::set::h9fd078c80926139c [INFO] [stderr] 66: 0x7f0b6dcf1114 - syntax::with_globals::h53c984c26c6e35bc [INFO] [stderr] 67: 0x7f0b6dd0fa7d - std::sys_common::backtrace::__rust_begin_short_backtrace::h9e21d5b7b49b7347 [INFO] [stderr] 68: 0x7f0b6d9d090a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 69: 0x7f0b6dc9c4e9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h57a7a60e3167c60f [INFO] [stderr] 70: 0x7f0b6d9a2edf - as core::ops::function::FnOnce>::call_once::hc6099fbe1f2e9038 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 71: 0x7f0b6d9cf5e0 - as core::ops::function::FnOnce>::call_once::h1b61db05dcd8ce54 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746 [INFO] [stderr] 72: 0x7f0b6d9cf5e0 - std::sys_common::thread::start_thread::hd3ed9053e9fea488 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 73: 0x7f0b6d9cf5e0 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 74: 0x7f0b6d7414a4 - start_thread [INFO] [stderr] 75: 0x7f0b6d077d0f - __clone [INFO] [stderr] 76: 0x0 - [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [optimized_mir] processing `test_multithread::{{closure}}#0::{{closure}}#0` [INFO] [stderr] #1 [mir_shims] generating MIR shim for `std::ptr::real_drop_in_place` [INFO] [stderr] #2 [collect_and_partition_mono_items] collect_and_partition_mono_items [INFO] [stderr] end of query stack [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports [INFO] [stderr] [INFO] [stderr] note: rustc 1.37.0-nightly (c8865d8e1 2019-06-07) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] error: Could not compile `eff`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "2b1fda0f4857251ed60ee5e012b80bc149534c7ab922146750553693a5e8f5f9"` [INFO] running `"docker" "rm" "-f" "2b1fda0f4857251ed60ee5e012b80bc149534c7ab922146750553693a5e8f5f9"` [INFO] [stdout] 2b1fda0f4857251ed60ee5e012b80bc149534c7ab922146750553693a5e8f5f9