[INFO] cloning repository https://github.com/holmesmr/warp-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/holmesmr/warp-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Fwarp-example"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Fwarp-example'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9a50ec4554f5eb658e9707af577ce7fba2e77908 [INFO] checking holmesmr/warp-example against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Fwarp-example" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/holmesmr/warp-example on toolchain 1a399c10897767c36d147199696c96f193034e49 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/holmesmr/warp-example [INFO] finished tweaking git repo https://github.com/holmesmr/warp-example [INFO] tweaked toml for git repo https://github.com/holmesmr/warp-example written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/holmesmr/warp-example already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/blackbeam/mysql_async` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-locks v0.3.1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 70e948587ada0c443e43a8dcf64e86161e87b67d2ba6dc27a866b6022f06e750 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "70e948587ada0c443e43a8dcf64e86161e87b67d2ba6dc27a866b6022f06e750"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling proc-macro2 v0.4.26 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking byte-tools v0.3.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking opaque-debug v0.2.1 [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling slog v2.4.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling openssl v0.10.16 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking string v0.1.3 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking urlencoding v1.0.0 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking block-padding v0.1.2 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking smallvec v0.6.8 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.1 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking base64 v0.10.0 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Checking slog-async v2.3.0 [INFO] [stderr] Checking block-buffer v0.7.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-executor v0.1.6 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking rand_pcg v0.1.1 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking crossbeam-epoch v0.7.0 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Compiling openssl-sys v0.9.40 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking tokio-io v0.1.11 [INFO] [stderr] Checking http v0.1.15 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking atoi v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking futures-locks v0.3.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking num-bigint v0.2.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking twox-hash v1.1.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking slog-term v2.4.0 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking crossbeam-channel v0.3.6 [INFO] [stderr] Checking tokio-reactor v0.1.8 [INFO] [stderr] Checking h2 v0.1.15 [INFO] [stderr] Checking headers-core v0.0.2 [INFO] [stderr] Checking tungstenite v0.6.1 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-threadpool v0.1.10 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Checking slog-scope v4.1.1 [INFO] [stderr] Checking slog-stdlog v3.0.2 [INFO] [stderr] Checking tokio-fs v0.1.5 [INFO] [stderr] Checking tokio v0.1.14 [INFO] [stderr] Checking hyper v0.12.22 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking serde_json v1.0.37 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Compiling headers-derive v0.0.2 [INFO] [stderr] Checking mysql_common v0.15.0 [INFO] [stderr] Checking headers-ext v0.0.4 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking dotenv v0.13.0 [INFO] [stderr] Checking warp v0.1.11 [INFO] [stderr] Checking mysql_async v0.17.1 (https://github.com/blackbeam/mysql_async#2293c126) [INFO] [stderr] thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', src/librustc_mir_build/hair/pattern/_match.rs:1184:21 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fd32de5dc25 - backtrace::backtrace::libunwind::trace::h678b9599e62f63eb [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x7fd32de5dc25 - backtrace::backtrace::trace_unsynchronized::hc151481f0e2d39cd [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7fd32de5dc25 - std::sys_common::backtrace::_print_fmt::he1b14c2dc4d370e2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x7fd32de5dc25 - ::fmt::h0e056b70ceff915d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x7fd32de9b1bc - core::fmt::write::hdf236390fbd68d3d [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x7fd32de4fd03 - std::io::Write::write_fmt::h5b95d57b9d83617e [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x7fd32de62c30 - std::sys_common::backtrace::_print::hde4f93cf630dd149 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x7fd32de62c30 - std::sys_common::backtrace::print::hab894e5c65d4445d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x7fd32de62c30 - std::panicking::default_hook::{{closure}}::h190ee58e2eec052f [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x7fd32de6297c - std::panicking::default_hook::he2b0e031648f6bed [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x7fd32e5636b3 - rustc_driver::report_ice::haa8e845cd8e3086f [INFO] [stderr] 11: 0x7fd322553fd6 - as core::ops::function::Fn>::call::hae4dd6cf626b3438 [INFO] [stderr] at /rustc/1a399c10897767c36d147199696c96f193034e49/src/liballoc/boxed.rs:1071 [INFO] [stderr] 12: 0x7fd32254a375 - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::hed5c045b863711e2 [INFO] [stderr] at /rustc/1a399c10897767c36d147199696c96f193034e49/src/libproc_macro/bridge/client.rs:318 [INFO] [stderr] 13: 0x7fd32de632dc - std::panicking::rust_panic_with_hook::hd8d0481ab65c637b [INFO] [stderr] at src/libstd/panicking.rs:490 [INFO] [stderr] 14: 0x7fd32de62ebb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 15: 0x7fd32de97d61 - core::panicking::panic_fmt::hd101a87121fa411f [INFO] [stderr] at src/libcore/panicking.rs:101 [INFO] [stderr] 16: 0x7fd32de97d22 - core::panicking::panic_bounds_check::ha0668dcff6357ef4 [INFO] [stderr] at src/libcore/panicking.rs:73 [INFO] [stderr] 17: 0x7fd32f569dee - rustc_mir_build::hair::pattern::_match::Fields::replace_with_fieldpats::hcfe482a54983bc7f [INFO] [stderr] 18: 0x7fd32f5648fc - rustc_mir_build::hair::pattern::_match::PatStack::specialize_constructor::h52a73ac668cfb4ac [INFO] [stderr] 19: 0x7fd32f56cc06 - rustc_mir_build::hair::pattern::_match::is_useful_specialized::hfa02ca6ac723fd79 [INFO] [stderr] 20: 0x7fd32f61e1aa - as core::iter::traits::iterator::Iterator>::try_fold::h32dea6100f6228ee [INFO] [stderr] 21: 0x7fd32f56bf2f - rustc_mir_build::hair::pattern::_match::is_useful::h0664c5a91670449c [INFO] [stderr] 22: 0x7fd32f56ccd9 - rustc_mir_build::hair::pattern::_match::is_useful_specialized::hfa02ca6ac723fd79 [INFO] [stderr] 23: 0x7fd32f61e1aa - as core::iter::traits::iterator::Iterator>::try_fold::h32dea6100f6228ee [INFO] [stderr] 24: 0x7fd32f56bf2f - rustc_mir_build::hair::pattern::_match::is_useful::h0664c5a91670449c [INFO] [stderr] 25: 0x7fd32f57bae6 - rustc_mir_build::hair::pattern::check_match::check_not_useful::h47c9834122f36118 [INFO] [stderr] 26: 0x7fd32f579d94 - ::visit_expr::hed30ebf5e8391396 [INFO] [stderr] 27: 0x7fd32f57936c - ::visit_expr::hed30ebf5e8391396 [INFO] [stderr] 28: 0x7fd32f57905c - rustc_mir_build::hair::pattern::check_match::check_match::h6ed435df85a92553 [INFO] [stderr] 29: 0x7fd32e78bc72 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_match>::compute::hf50f2482f9053601 [INFO] [stderr] 30: 0x7fd32e7dca0d - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7c46c3cd538efe3f [INFO] [stderr] 31: 0x7fd32e8041e3 - rustc_data_structures::stack::ensure_sufficient_stack::hbfe55f93d2019a1c [INFO] [stderr] 32: 0x7fd32e824c70 - rustc_query_system::query::plumbing::get_query_impl::h0291b6f8dd5ca569 [INFO] [stderr] 33: 0x7fd32e839337 - rustc_query_system::query::plumbing::ensure_query_impl::hc910b2aba4609df7 [INFO] [stderr] 34: 0x7fd32e79200b - rustc_session::utils::::time::hf6ff23ff0242237a [INFO] [stderr] 35: 0x7fd32e791827 - rustc_session::utils::::time::haedaf7d2e0b5416f [INFO] [stderr] 36: 0x7fd32e7272ea - rustc_interface::passes::analysis::h80f7d3ceddda0be6 [INFO] [stderr] 37: 0x7fd32e56558b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h9cac2558702160d2 [INFO] [stderr] 38: 0x7fd32e5dbeb7 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2896d13078caf413 [INFO] [stderr] 39: 0x7fd32e5e8dba - rustc_query_system::query::plumbing::get_query_impl::he3aa138a27a7394d [INFO] [stderr] 40: 0x7fd32e565d97 - rustc_middle::ty::context::tls::enter_global::hba217b705b6158bb [INFO] [stderr] 41: 0x7fd32e56835e - rustc_interface::interface::run_compiler_in_existing_thread_pool::he213e50db98d4e02 [INFO] [stderr] 42: 0x7fd32e595adf - rustc_ast::attr::with_globals::he0d0fd6a7c53fc42 [INFO] [stderr] 43: 0x7fd32e59752c - std::sys_common::backtrace::__rust_begin_short_backtrace::hb1810d63aba8cf93 [INFO] [stderr] 44: 0x7fd32e54b9ee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf0f93ed149534c4b [INFO] [stderr] 45: 0x7fd32de72b3a - as core::ops::function::FnOnce>::call_once::hafe1a9c0c0bd5072 [INFO] [stderr] at /rustc/1a399c10897767c36d147199696c96f193034e49/src/liballoc/boxed.rs:1057 [INFO] [stderr] 46: 0x7fd32de72b3a - as core::ops::function::FnOnce>::call_once::he2190e4ae57d71d9 [INFO] [stderr] at /rustc/1a399c10897767c36d147199696c96f193034e49/src/liballoc/boxed.rs:1057 [INFO] [stderr] 47: 0x7fd32de72b3a - std::sys::unix::thread::Thread::new::thread_start::h1e42ba00cae086d8 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 48: 0x7fd32ddb4609 - start_thread [INFO] [stderr] 49: 0x7fd32dcc8103 - __clone [INFO] [stderr] 50: 0x0 - [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [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 1.45.0-nightly (1a399c108 2020-05-27) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -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] query stack during panic: [INFO] [stderr] #0 [check_match] processing `::poll` [INFO] [stderr] #1 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `mysql_async`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "70e948587ada0c443e43a8dcf64e86161e87b67d2ba6dc27a866b6022f06e750"` [INFO] running `"docker" "rm" "-f" "70e948587ada0c443e43a8dcf64e86161e87b67d2ba6dc27a866b6022f06e750"` [INFO] [stdout] 70e948587ada0c443e43a8dcf64e86161e87b67d2ba6dc27a866b6022f06e750