[INFO] cloning repository sstanfield/hermod [INFO] running `"git" "clone" "--bare" "git://github.com/sstanfield/hermod.git" "work/cache/sources/gh/sstanfield/hermod"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sstanfield/hermod'... [INFO] running `"git" "clone" "work/cache/sources/gh/sstanfield/hermod" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/sstanfield/hermod"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/sstanfield/hermod'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sstanfield/hermod" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/sstanfield/hermod"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/sstanfield/hermod'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2a8d554ae381fbcc9148960d81d20664d5cfcc09 [INFO] sha for GitHub repo sstanfield/hermod: 2a8d554ae381fbcc9148960d81d20664d5cfcc09 [INFO] validating manifest of sstanfield/hermod on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sstanfield/hermod on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sstanfield/hermod [INFO] finished frobbing sstanfield/hermod [INFO] frobbed toml for sstanfield/hermod written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/sstanfield/hermod/Cargo.toml [INFO] started frobbing sstanfield/hermod [INFO] finished frobbing sstanfield/hermod [INFO] frobbed toml for sstanfield/hermod written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/sstanfield/hermod/Cargo.toml [INFO] crate sstanfield/hermod already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/withoutboats/romio` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sstanfield/hermod against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/sstanfield/hermod:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 35c90eac1ea0cd639ba065d7356102ff79e40080c5785ca408403a627caa3fea [INFO] running `"docker" "start" "-a" "35c90eac1ea0cd639ba065d7356102ff79e40080c5785ca408403a627caa3fea"` [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking async-datagram v2.2.0 [INFO] [stderr] Checking async-ready v2.1.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.16 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.16 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.16 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.7 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.16 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.16 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.16 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.16 [INFO] [stderr] Checking romio v0.3.0-alpha.7 (https://github.com/withoutboats/romio#9a47bb78) [INFO] [stderr] Checking hermod v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> src/client/message_core.rs:145:48 [INFO] [stderr] | [INFO] [stderr] 145 | ClientMessage::InternalMessage(message) => { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_message` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/client/mod.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | mut io_pool: ThreadPool, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/client/mod.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | mut io_pool: ThreadPool, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> src/client/message_core.rs:145:48 [INFO] [stderr] | [INFO] [stderr] 145 | ClientMessage::InternalMessage(message) => { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_message` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/client/mod.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | mut io_pool: ThreadPool, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/client/mod.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | mut io_pool: ThreadPool, [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `group_id` [INFO] [stderr] --> src/broker.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | group_id: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `partition` [INFO] [stderr] --> src/broker.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | partition: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `topic` [INFO] [stderr] --> src/broker.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | topic: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: internal compiler error: src/librustc_mir/transform/generator.rs:715: Broken MIR: generator contains type std::option::Option in MIR, but typeck only knows about for<'r, 's, 't0, 't1, 't2, 't3, 't4, 't5, 't6, 't7, 't8, 't9> {futures_channel::mpsc::Receiver, types::TopicPartition, std::result::Result, msglog::MessageLog, std::collections::HashMap, futures_util::stream::next::Next<'r, futures_channel::mpsc::Receiver>, (), std::option::Option, types::BrokerMessage, types::Message, std::vec::Vec, fn(std::collections::hash_map::Keys<'s, std::string::String, broker::new_message_broker::{{closure}}#0::ClientInfo>) -> as std::iter::IntoIterator>::IntoIter { as std::iter::IntoIterator>::into_iter}, &'t0 std::collections::HashMap, std::collections::hash_map::Keys<'t1, std::string::String, broker::new_message_broker::{{closure}}#0::ClientInfo>, std::collections::hash_map::Keys<'t2, std::string::String, broker::new_message_broker::{{closure}}#0::ClientInfo>, std::collections::hash_map::Keys<'t3, std::string::String, broker::new_message_broker::{{closure}}#0::ClientInfo>, &'t4 std::string::String, &'t5 std::string::String, &'t6 broker::new_message_broker::{{closure}}#0::ClientInfo, futures_channel::mpsc::Sender, bool, types::ClientMessage, futures_util::sink::send::Send<'t7, futures_channel::mpsc::Sender, types::ClientMessage>, std::string::String, std::result::Result, broker::OffsetRecord, std::result::Result, msglog::LogIndex, futures_util::sink::send::Send<'t8, futures_channel::mpsc::Sender, types::ClientMessage>, futures_util::stream::next::Next<'t9, futures_channel::mpsc::Receiver>} [INFO] [stderr] --> src/broker.rs:122:88 [INFO] [stderr] | [INFO] [stderr] 122 | async fn new_message_broker(mut rx: mpsc::Receiver, tp: TopicPartition) { [INFO] [stderr] | ________________________________________________________________________________________^ [INFO] [stderr] 123 | | info!( [INFO] [stderr] 124 | | "Broker starting for partition {}, topic {}.", [INFO] [stderr] 125 | | tp.partition, tp.topic [INFO] [stderr] ... | [INFO] [stderr] 233 | | ); [INFO] [stderr] 234 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] thread 'rustc' panicked at 'Box', src/librustc_errors/lib.rs:585:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f44fade011b - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x7f44fade011b - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f44fade011b - std::sys_common::backtrace::_print::h8e9bb00be68d4090 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x7f44fade011b - std::sys_common::backtrace::print::h706192507dd9d34d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x7f44fade011b - std::panicking::default_hook::{{closure}}::he2b558091ea21dea [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x7f44faddfdf7 - std::panicking::default_hook::hfb9d48d2b8aaf0f5 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x7f44f8343761 - rustc::util::common::panic_hook::h41f9097f07b95669 [INFO] [stderr] 7: 0x7f44fade0979 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90 [INFO] [stderr] at src/libstd/panicking.rs:479 [INFO] [stderr] 8: 0x7f44f98f6e71 - std::panicking::begin_panic::h77937a1065b86759 [INFO] [stderr] 9: 0x7f44f98f4f96 - rustc_errors::Handler::span_bug::h9a30b4899a0e1c62 [INFO] [stderr] 10: 0x7f44f95d0db2 - rustc::util::bug::opt_span_bug_fmt::{{closure}}::hc86c8446771f2d21 [INFO] [stderr] 11: 0x7f44f95cf16a - rustc::ty::context::tls::with_opt::{{closure}}::h9c2a8e23035e8c9c [INFO] [stderr] 12: 0x7f44f95cf0d0 - rustc::ty::context::tls::with_context_opt::h45bb156bbdb3586a [INFO] [stderr] 13: 0x7f44f95cf117 - rustc::ty::context::tls::with_opt::h5d9db0e94733eaac [INFO] [stderr] 14: 0x7f44f95d0ca8 - rustc::util::bug::opt_span_bug_fmt::hc3cd5cba09063521 [INFO] [stderr] 15: 0x7f44f95d0c5a - rustc::util::bug::span_bug_fmt::hcaf59993fdc4ecc9 [INFO] [stderr] 16: 0x7f44f98451fc - rustc_mir::transform::generator::compute_layout::h8b216bb9274c9c57 [INFO] [stderr] 17: 0x7f44f9847632 - ::run_pass::hab14bcac99297553 [INFO] [stderr] 18: 0x7f44f95b3d7d - rustc_mir::transform::run_passes::{{closure}}::hafbd5ad3ad6c34eb [INFO] [stderr] 19: 0x7f44f95b3a24 - rustc_mir::transform::run_passes::h81b6c48cfa5918af [INFO] [stderr] 20: 0x7f44f95b498b - rustc_mir::transform::optimized_mir::h8314acafa7244192 [INFO] [stderr] 21: 0x7f44f82c3d0d - rustc::ty::query::::compute::hd9ef141a89dc0300 [INFO] [stderr] 22: 0x7f44f7ec8c23 - rustc::dep_graph::graph::DepGraph::with_task_impl::hf6f75296f484f99b [INFO] [stderr] 23: 0x7f44f81986c9 - rustc::ty::query::plumbing::::get_query::hb7026a5985ad899a [INFO] [stderr] 24: 0x7f44f82c266d - rustc::ty::::generator_layout::h3836dc33875ba03d [INFO] [stderr] 25: 0x7f44f8a65f0c - ::visit_expr::hc17057f4ac4079c5 [INFO] [stderr] 26: 0x7f44f8a8acdd - rustc::hir::intravisit::walk_expr::h99fa1b99e0257c5d [INFO] [stderr] 27: 0x7f44f8a65e3c - ::visit_expr::hc17057f4ac4079c5 [INFO] [stderr] 28: 0x7f44f8a8b50a - rustc::hir::intravisit::walk_item::h5a6f68decef485eb [INFO] [stderr] 29: 0x7f44f8a6688c - ::visit_item::h13126f720949060f [INFO] [stderr] 30: 0x7f44f8b7a6b9 - rustc::hir::Crate::visit_all_item_likes::hd56c2f4d2357ae0a [INFO] [stderr] 31: 0x7f44f8a62f49 - rustc_metadata::encoder::EncodeContext::encode_crate_root::h2115e7d877b3f16d [INFO] [stderr] 32: 0x7f44f8c05869 - rustc::dep_graph::graph::DepGraph::with_ignore::hf541a97fb95338bb [INFO] [stderr] 33: 0x7f44f8a6c103 - rustc_metadata::encoder::encode_metadata::hf7c6e37f0966862c [INFO] [stderr] 34: 0x7f44f8aede1f - rustc_metadata::cstore_impl::::encode_metadata::h4c40aac44b1895ea [INFO] [stderr] 35: 0x7f44f82b1a3e - rustc::ty::context::TyCtxt::encode_metadata::h1e0e4b4e5c1397c0 [INFO] [stderr] 36: 0x7f44fa01b9f7 - rustc_interface::passes::encode_and_write_metadata::h9e1397364a41c1b2 [INFO] [stderr] 37: 0x7f44fa06f25c - rustc::util::common::time::hb121c5f45f83f312 [INFO] [stderr] 38: 0x7f44fa01bfa1 - rustc_interface::passes::start_codegen::heaa6125a27c5d70c [INFO] [stderr] 39: 0x7f44fa003764 - rustc::ty::context::tls::enter_global::hb2a89cf17b049b48 [INFO] [stderr] 40: 0x7f44fa01c911 - rustc_interface::passes::BoxedGlobalCtxt::access::{{closure}}::hf9d67eefb2cfcadb [INFO] [stderr] 41: 0x7f44fa076b4a - rustc_interface::passes::create_global_ctxt::{{closure}}::h114d2b4ac6cc1006 [INFO] [stderr] 42: 0x7f44fa01b397 - rustc_interface::passes::BoxedGlobalCtxt::enter::h10db34dfcfe9fc43 [INFO] [stderr] 43: 0x7f44fa0072b0 - rustc_interface::queries::Query::compute::h764ee59389ac9a0d [INFO] [stderr] 44: 0x7f44fa0ec0d4 - rustc_interface::queries::::ongoing_codegen::he95ea2efb28c53e4 [INFO] [stderr] 45: 0x7f44fb0c956e - rustc_interface::interface::run_compiler_in_existing_thread_pool::h67acf0ae37146afa [INFO] [stderr] 46: 0x7f44fb0e26b2 - std::thread::local::LocalKey::with::h01f90f501aab9356 [INFO] [stderr] 47: 0x7f44fb0d21b1 - scoped_tls::ScopedKey::set::h5988edf95edec101 [INFO] [stderr] 48: 0x7f44fb106ed4 - syntax::with_globals::h6a559fe575f54f7f [INFO] [stderr] 49: 0x7f44fb12568d - std::sys_common::backtrace::__rust_begin_short_backtrace::h726621dd6bc7eece [INFO] [stderr] 50: 0x7f44fadf13da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 51: 0x7f44fb0aeff9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h728dfa2ec60a49a9 [INFO] [stderr] 52: 0x7f44fadc3dcf - as core::ops::function::FnOnce>::call_once::h6f4f77616a0c8566 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/liballoc/boxed.rs:746 [INFO] [stderr] 53: 0x7f44fadf00c0 - as core::ops::function::FnOnce>::call_once::h3b73bdd971159c27 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/liballoc/boxed.rs:746 [INFO] [stderr] 54: 0x7f44fadf00c0 - std::sys_common::thread::start_thread::hbb836908b047b8a8 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 55: 0x7f44fadf00c0 - std::sys::unix::thread::Thread::new::thread_start::h71258354fd833cef [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 56: 0x7f44fab624a4 - start_thread [INFO] [stderr] 57: 0x7f44fa498d0f - __clone [INFO] [stderr] 58: 0x0 - [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [optimized_mir] processing `broker::new_message_broker::{{closure}}#0` [INFO] [stderr] end of query stack [INFO] [stderr] warning: field is never used: `group_id` [INFO] [stderr] --> src/broker.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | group_id: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `partition` [INFO] [stderr] --> src/broker.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | partition: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `topic` [INFO] [stderr] --> src/broker.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | topic: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [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 (5f9c0448d 2019-06-25) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C debuginfo=2 --crate-type lib [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] error: Could not compile `hermod`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "35c90eac1ea0cd639ba065d7356102ff79e40080c5785ca408403a627caa3fea"` [INFO] running `"docker" "rm" "-f" "35c90eac1ea0cd639ba065d7356102ff79e40080c5785ca408403a627caa3fea"` [INFO] [stdout] 35c90eac1ea0cd639ba065d7356102ff79e40080c5785ca408403a627caa3fea