[INFO] cloning repository nikomatsakis/mathema [INFO] running `"git" "clone" "--bare" "git://github.com/nikomatsakis/mathema.git" "work/cache/sources/gh/nikomatsakis/mathema"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nikomatsakis/mathema'... [INFO] running `"git" "clone" "work/cache/sources/gh/nikomatsakis/mathema" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/nikomatsakis/mathema"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/nikomatsakis/mathema'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nikomatsakis/mathema" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/nikomatsakis/mathema"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/nikomatsakis/mathema'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 543b2071a9173b2ba9be3f5138205594f3e43129 [INFO] sha for GitHub repo nikomatsakis/mathema: 543b2071a9173b2ba9be3f5138205594f3e43129 [INFO] validating manifest of nikomatsakis/mathema on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nikomatsakis/mathema on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing nikomatsakis/mathema [INFO] finished frobbing nikomatsakis/mathema [INFO] frobbed toml for nikomatsakis/mathema written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/nikomatsakis/mathema/Cargo.toml [INFO] started frobbing nikomatsakis/mathema [INFO] finished frobbing nikomatsakis/mathema [INFO] frobbed toml for nikomatsakis/mathema written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/nikomatsakis/mathema/Cargo.toml [INFO] crate nikomatsakis/mathema already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rust-embed-impl v4.4.0 [INFO] [stderr] Downloaded rust-embed v4.4.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking nikomatsakis/mathema against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/nikomatsakis/mathema:/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 61581c27bbaf509d6a35ea6ee719f172e41bfb3c7bcbab5ed30ef47f63302870 [INFO] running `"docker" "start" "-a" "61581c27bbaf509d6a35ea6ee719f172e41bfb3c7bcbab5ed30ef47f63302870"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling cc v1.0.36 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Compiling slog v2.4.1 [INFO] [stderr] Checking rgb v0.8.13 [INFO] [stderr] Checking environment v0.1.1 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Checking tokio-sync v0.1.5 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.16 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.16 [INFO] [stderr] Checking buf_redux v0.8.1 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Compiling structopt-derive v0.1.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking regex v1.1.7 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking cgmath v0.16.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.16 [INFO] [stderr] Checking cookie v0.11.1 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling rust-embed-impl v4.4.0 [INFO] [stderr] Checking slog-async v2.3.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling openssl-sys v0.9.46 [INFO] [stderr] Compiling curl-sys v0.4.18 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking atomicwrites v0.1.5 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking rust-embed v4.4.0 [INFO] [stderr] Checking structopt v0.1.7 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Checking h2 v0.1.18 [INFO] [stderr] Checking http-service v0.2.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking multipart v0.15.4 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking string-interner v0.6.3 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking ron v0.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking slog-term v2.4.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking hyper v0.12.28 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Compiling assert_cli v0.5.4 [INFO] [stderr] Checking http-service-hyper v0.2.0 [INFO] [stderr] Checking tide v0.2.0 [INFO] [stderr] error: internal compiler error: src/librustc_mir/transform/generator.rs:714: Broken MIR: generator contains type std::option::Option in MIR, but typeck only knows about for<'r> {cookies::CookieData, std::sync::Arc>, std::pin::Pin> + std::marker::Send + 'r)>>, ()} [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tide-0.2.0/src/lib.rs:21:56 [INFO] [stderr] | [INFO] [stderr] 21 | ::futures::future::FutureExt::boxed(async move { $($t)* }) [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tide-0.2.0/src/middleware/cookies.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | / box_async! { [INFO] [stderr] 35 | | let cookie_data = cx [INFO] [stderr] 36 | | .extensions_mut() [INFO] [stderr] 37 | | .remove() [INFO] [stderr] ... | [INFO] [stderr] 58 | | res [INFO] [stderr] 59 | | } [INFO] [stderr] | |_________- in this macro invocation [INFO] [stderr] [INFO] [stderr] thread 'rustc' panicked at 'Box', src/librustc_errors/lib.rs:578:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f6c5a24d0cb - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x7f6c5a24d0cb - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f6c5a24d0cb - std::sys_common::backtrace::_print::h2896bece16680b31 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x7f6c5a24d0cb - std::sys_common::backtrace::print::h5f4d4b954705d426 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x7f6c5a24d0cb - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x7f6c5a24cdcc - std::panicking::default_hook::h4b88c02cc00064f5 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x7f6c577fbe21 - rustc::util::common::panic_hook::h511b57657ac259d9 [INFO] [stderr] 7: 0x7f6c5a24d929 - std::panicking::rust_panic_with_hook::he5596ad1952b7279 [INFO] [stderr] at src/libstd/panicking.rs:479 [INFO] [stderr] 8: 0x7f6c58d597f1 - std::panicking::begin_panic::h21259cb5a5766ee5 [INFO] [stderr] 9: 0x7f6c58d57726 - rustc_errors::Handler::span_bug::had1614f55812705e [INFO] [stderr] 10: 0x7f6c58b168e2 - rustc::util::bug::opt_span_bug_fmt::{{closure}}::h198f1b0aaec24034 [INFO] [stderr] 11: 0x7f6c58b1456a - rustc::ty::context::tls::with_opt::{{closure}}::h4641ab02f0ef9d79 [INFO] [stderr] 12: 0x7f6c58b144d0 - rustc::ty::context::tls::with_context_opt::hb807395bb45bdd56 [INFO] [stderr] 13: 0x7f6c58b14517 - rustc::ty::context::tls::with_opt::h545089a53ca3fd80 [INFO] [stderr] 14: 0x7f6c58b167d8 - rustc::util::bug::opt_span_bug_fmt::hd1a8bc46066a64ea [INFO] [stderr] 15: 0x7f6c58b1678a - rustc::util::bug::span_bug_fmt::he83109bdf59fa642 [INFO] [stderr] 16: 0x7f6c58c72f60 - rustc_mir::transform::generator::compute_layout::h58081289fb8be9ec [INFO] [stderr] 17: 0x7f6c58c75332 - ::run_pass::h8f7e16b7aa478fcd [INFO] [stderr] 18: 0x7f6c58a0f3fd - rustc_mir::transform::run_passes::{{closure}}::h25ceadb8ab9faf4f [INFO] [stderr] 19: 0x7f6c58a0f0a4 - rustc_mir::transform::run_passes::hf277132034f45422 [INFO] [stderr] 20: 0x7f6c58a1000f - rustc_mir::transform::optimized_mir::hadbc052f81612085 [INFO] [stderr] 21: 0x7f6c5778f42d - rustc::ty::query::::compute::hc6cb749d75185590 [INFO] [stderr] 22: 0x7f6c5735d718 - rustc::dep_graph::graph::DepGraph::with_task_impl::hb01adaa6175aa93c [INFO] [stderr] 23: 0x7f6c5760a66c - rustc::ty::query::plumbing::::get_query::h4f43efe4d410fe3c [INFO] [stderr] 24: 0x7f6c5778dd7d - rustc::ty::::generator_layout::hcc2ea278cb665932 [INFO] [stderr] 25: 0x7f6c57eb8bbc - ::visit_expr::hd98ae9defb202fe5 [INFO] [stderr] 26: 0x7f6c57edce8d - rustc::hir::intravisit::walk_expr::hbab6e165a2806f92 [INFO] [stderr] 27: 0x7f6c57eb8aec - ::visit_expr::hd98ae9defb202fe5 [INFO] [stderr] 28: 0x7f6c57edce8d - rustc::hir::intravisit::walk_expr::hbab6e165a2806f92 [INFO] [stderr] 29: 0x7f6c57eb8aec - ::visit_expr::hd98ae9defb202fe5 [INFO] [stderr] 30: 0x7f6c57eb8aec - ::visit_expr::hd98ae9defb202fe5 [INFO] [stderr] 31: 0x7f6c57edb70a - rustc::hir::intravisit::walk_impl_item::hfecfd6e5a7aec084 [INFO] [stderr] 32: 0x7f6c57fce30b - rustc::hir::Crate::visit_all_item_likes::hc7e1d525b20a8e1a [INFO] [stderr] 33: 0x7f6c57eb5c1c - rustc_metadata::encoder::EncodeContext::encode_crate_root::h3469209d30d97889 [INFO] [stderr] 34: 0x7f6c580588b1 - rustc::dep_graph::graph::DepGraph::with_ignore::h1c61c07753e0dc29 [INFO] [stderr] 35: 0x7f6c57ebeea4 - rustc_metadata::encoder::encode_metadata::h9147235c63335a69 [INFO] [stderr] 36: 0x7f6c57f3fdef - rustc_metadata::cstore_impl::::encode_metadata::hf6193e26ea4f78de [INFO] [stderr] 37: 0x7f6c5777c98e - rustc::ty::context::TyCtxt::encode_metadata::hc07d74130a83671d [INFO] [stderr] 38: 0x7f6c59483a27 - rustc_interface::passes::encode_and_write_metadata::hd8ebcf40c313e51a [INFO] [stderr] 39: 0x7f6c594d6dc8 - rustc::util::common::time::h098e104db3e3206d [INFO] [stderr] 40: 0x7f6c59483fd1 - rustc_interface::passes::start_codegen::he457a55ea8ab69ca [INFO] [stderr] 41: 0x7f6c5946b0a7 - rustc::ty::context::tls::enter_global::h23cab1685788dc83 [INFO] [stderr] 42: 0x7f6c59484861 - rustc_interface::passes::BoxedGlobalCtxt::access::{{closure}}::hb769a8ced0bed2fb [INFO] [stderr] 43: 0x7f6c594e1085 - rustc_interface::passes::create_global_ctxt::{{closure}}::hf01b139742b994c2 [INFO] [stderr] 44: 0x7f6c594833b6 - rustc_interface::passes::BoxedGlobalCtxt::enter::h337eb918f07d7b99 [INFO] [stderr] 45: 0x7f6c5946df70 - rustc_interface::queries::Query::compute::h287d6288ecaff9fe [INFO] [stderr] 46: 0x7f6c59557d84 - rustc_interface::queries::::ongoing_codegen::he50e7b3b584314d4 [INFO] [stderr] 47: 0x7f6c5a541870 - rustc_interface::interface::run_compiler_in_existing_thread_pool::hd14bec79808b9b2e [INFO] [stderr] 48: 0x7f6c5a5b1716 - std::thread::local::LocalKey::with::h506ab677f3123a6b [INFO] [stderr] 49: 0x7f6c5a54b3d5 - scoped_tls::ScopedKey::set::h089f9363afa7ae5b [INFO] [stderr] 50: 0x7f6c5a57d974 - syntax::with_globals::h577c1c6ead223a50 [INFO] [stderr] 51: 0x7f6c5a59c05d - std::sys_common::backtrace::__rust_begin_short_backtrace::he1b800d8c3ceec6d [INFO] [stderr] 52: 0x7f6c5a25e81a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 53: 0x7f6c5a528fa9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6db0f4bcdb624697 [INFO] [stderr] 54: 0x7f6c5a230e2f - as core::ops::function::FnOnce>::call_once::h49f34bf8b3e873a3 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/liballoc/boxed.rs:746 [INFO] [stderr] 55: 0x7f6c5a25d4f0 - as core::ops::function::FnOnce>::call_once::hd7eca4fbeae63baa [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/liballoc/boxed.rs:746 [INFO] [stderr] 56: 0x7f6c5a25d4f0 - std::sys_common::thread::start_thread::hf68c3b122bfe3a6a [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 57: 0x7f6c5a25d4f0 - std::sys::unix::thread::Thread::new::thread_start::h7db2e2b219b94091 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 58: 0x7f6c59fcf4a4 - start_thread [INFO] [stderr] 59: 0x7f6c59905d0f - __clone [INFO] [stderr] 60: 0x0 - [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [optimized_mir] processing `>::handle::{{closure}}#0` [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 (9f0685506 2019-06-15) 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 `tide`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "61581c27bbaf509d6a35ea6ee719f172e41bfb3c7bcbab5ed30ef47f63302870"` [INFO] running `"docker" "rm" "-f" "61581c27bbaf509d6a35ea6ee719f172e41bfb3c7bcbab5ed30ef47f63302870"` [INFO] [stdout] 61581c27bbaf509d6a35ea6ee719f172e41bfb3c7bcbab5ed30ef47f63302870