[INFO] updating cached repository https://github.com/ajnewlands/switchboard [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 622ac9a7baf4f414778b5e5d171d424b312e91b2 [INFO] checking ajnewlands/switchboard against try#e2aab98dd8975a0990f9fbb79b3ea4b40559a184 for pr-72493 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajnewlands%2Fswitchboard" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ajnewlands/switchboard on toolchain e2aab98dd8975a0990f9fbb79b3ea4b40559a184 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ajnewlands/switchboard [INFO] finished tweaking git repo https://github.com/ajnewlands/switchboard [INFO] tweaked toml for git repo https://github.com/ajnewlands/switchboard written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/ajnewlands/switchboard already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 26b12c585cac5763396063f963190e492231076f12d26377a386161a81556abc [INFO] running `"docker" "start" "-a" "26b12c585cac5763396063f963190e492231076f12d26377a386161a81556abc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking copyless v0.1.4 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling encoding_rs v0.8.20 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Checking mime v0.3.14 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling cookie-factory v0.2.4 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling doc-comment v0.3.1 [INFO] [stderr] Compiling openssl v0.10.25 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling v_htmlescape v0.4.5 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking hashbrown v0.3.1 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling pest v2.1.2 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking actix-service v0.4.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking signal-hook-registry v1.1.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Compiling pest_meta v2.1.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking resolv-conf v0.6.2 [INFO] [stderr] Checking unicode-normalization v0.1.9 [INFO] [stderr] Checking flatbuffers v0.6.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking signal-hook v0.1.11 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.19 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking actix-codec v0.1.2 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling openssl-sys v0.9.52 [INFO] [stderr] Compiling libgit2-sys v0.9.1 [INFO] [stderr] Checking actix-utils v0.4.7 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking ctrlc v3.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking actix-server-config v0.1.2 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Compiling git2 v0.10.1 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Compiling snafu-derive v0.4.4 [INFO] [stderr] Compiling actix_derive v0.4.0 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling v_escape_derive v0.5.6 [INFO] [stderr] Compiling actix-web-codegen v0.1.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking trust-dns-proto v0.7.4 [INFO] [stderr] Checking v_escape v0.7.4 [INFO] [stderr] Compiling const-random-macro v0.1.6 [INFO] [stderr] Checking snafu v0.4.4 [INFO] [stderr] Checking const-random v0.1.6 [INFO] [stderr] Checking ahash v0.2.18 [INFO] [stderr] Checking trust-dns-resolver v0.11.1 [INFO] [stderr] Checking actix-threadpool v0.1.2 [INFO] [stderr] Checking actix-rt v0.2.6 [INFO] [stderr] Checking actix-server v0.6.1 [INFO] [stderr] Checking actix-connect v0.2.5 [INFO] [stderr] Checking actix-testing v0.1.0 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking actix-router v0.1.5 [INFO] [stderr] Compiling toml v0.5.5 [INFO] [stderr] Checking actix-http v0.2.11 [INFO] [stderr] Checking amq-protocol-types v1.2.0 [INFO] [stderr] Checking handlebars v1.1.0 [INFO] [stderr] Compiling built v0.3.2 [INFO] [stderr] Compiling amiquip v0.3.2 [INFO] [stderr] Checking amq-protocol-codegen v1.4.0 [INFO] [stderr] Checking awc v0.2.8 [INFO] [stderr] Checking actix v0.8.3 [INFO] [stderr] Checking actix-web v1.0.9 [INFO] [stderr] Compiling amq-protocol v1.4.0 [INFO] [stderr] Checking actix-files v0.1.7 [INFO] [stderr] Checking actix-web-actors v1.0.3 [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: 0x7f79f7887c85 - 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: 0x7f79f7887c85 - backtrace::backtrace::trace_unsynchronized::hb47d77776d18cf5b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f79f7887c85 - std::sys_common::backtrace::_print_fmt::he1b14c2dc4d370e2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x7f79f7887c85 - ::fmt::h0e056b70ceff915d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x7f79f78c521c - core::fmt::write::hdf236390fbd68d3d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x7f79f7879d63 - std::io::Write::write_fmt::h5b95d57b9d83617e [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x7f79f788cc90 - std::sys_common::backtrace::_print::hde4f93cf630dd149 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x7f79f788cc90 - std::sys_common::backtrace::print::hab894e5c65d4445d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x7f79f788cc90 - std::panicking::default_hook::{{closure}}::h069a26eaaf53ac74 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x7f79f788c9dc - std::panicking::default_hook::he2b0e031648f6bed [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x7f79f7fa6b03 - rustc_driver::report_ice::h76a5283215ef3ce2 [INFO] [stderr] 11: 0x7f79eaf24216 - as core::ops::function::Fn>::call::hc7aae752581c4449 [INFO] [stderr] at /rustc/e2aab98dd8975a0990f9fbb79b3ea4b40559a184/src/liballoc/boxed.rs:1071 [INFO] [stderr] 12: 0x7f79eaeda3e5 - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::h2b92da982fc82a0b [INFO] [stderr] at /rustc/e2aab98dd8975a0990f9fbb79b3ea4b40559a184/src/libproc_macro/bridge/client.rs:318 [INFO] [stderr] 13: 0x7f79f788d33c - std::panicking::rust_panic_with_hook::hd8d0481ab65c637b [INFO] [stderr] at src/libstd/panicking.rs:490 [INFO] [stderr] 14: 0x7f79f788cf1b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 15: 0x7f79f78c1dc1 - core::panicking::panic_fmt::hd101a87121fa411f [INFO] [stderr] at src/libcore/panicking.rs:101 [INFO] [stderr] 16: 0x7f79f78c1d82 - core::panicking::panic_bounds_check::ha0668dcff6357ef4 [INFO] [stderr] at src/libcore/panicking.rs:73 [INFO] [stderr] 17: 0x7f79f8f7e63e - rustc_mir_build::hair::pattern::_match::Fields::replace_with_fieldpats::hcf5ce13ee9d4cfec [INFO] [stderr] 18: 0x7f79f8f7914c - rustc_mir_build::hair::pattern::_match::PatStack::specialize_constructor::h02fca108eeb2545d [INFO] [stderr] 19: 0x7f79f8f81456 - rustc_mir_build::hair::pattern::_match::is_useful_specialized::hfa02ca6ac723fd79 [INFO] [stderr] 20: 0x7f79f903272a - as core::iter::traits::iterator::Iterator>::try_fold::h9da4325d653fa4ab [INFO] [stderr] 21: 0x7f79f8f8077f - rustc_mir_build::hair::pattern::_match::is_useful::h0664c5a91670449c [INFO] [stderr] 22: 0x7f79f8f81529 - rustc_mir_build::hair::pattern::_match::is_useful_specialized::hfa02ca6ac723fd79 [INFO] [stderr] 23: 0x7f79f903272a - as core::iter::traits::iterator::Iterator>::try_fold::h9da4325d653fa4ab [INFO] [stderr] 24: 0x7f79f8f8077f - rustc_mir_build::hair::pattern::_match::is_useful::h0664c5a91670449c [INFO] [stderr] 25: 0x7f79f8f90336 - rustc_mir_build::hair::pattern::check_match::check_not_useful::h47c9834122f36118 [INFO] [stderr] 26: 0x7f79f8f8e5e4 - ::visit_expr::h6d4d33aab4ad24b6 [INFO] [stderr] 27: 0x7f79f8f9628b - rustc_hir::intravisit::walk_expr::h39af678d8153ba59 [INFO] [stderr] 28: 0x7f79f8f8dbbc - ::visit_expr::h6d4d33aab4ad24b6 [INFO] [stderr] 29: 0x7f79f8f8dbbc - ::visit_expr::h6d4d33aab4ad24b6 [INFO] [stderr] 30: 0x7f79f8f8d8ac - rustc_mir_build::hair::pattern::check_match::check_match::h6ed435df85a92553 [INFO] [stderr] 31: 0x7f79f81b29e2 - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::check_match>::compute::h7942ff33ebb491ec [INFO] [stderr] 32: 0x7f79f820225d - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h4edadaeda1df0b7d [INFO] [stderr] 33: 0x7f79f822b5b3 - rustc_data_structures::stack::ensure_sufficient_stack::hfdfb141ad7352d9d [INFO] [stderr] 34: 0x7f79f8252b00 - rustc_query_system::query::plumbing::get_query_impl::h57cc97c7af6b96a3 [INFO] [stderr] 35: 0x7f79f825fdc7 - rustc_query_system::query::plumbing::ensure_query_impl::h88f31e7b8f316844 [INFO] [stderr] 36: 0x7f79f81b613b - rustc_session::utils::::time::h3484c4e2989ee128 [INFO] [stderr] 37: 0x7f79f81b66a7 - rustc_session::utils::::time::h8e58a4e32869f591 [INFO] [stderr] 38: 0x7f79f814e6ca - rustc_interface::passes::analysis::h838ab583621bc53e [INFO] [stderr] 39: 0x7f79f7fa8afb - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h145128927f8d44c3 [INFO] [stderr] 40: 0x7f79f8003c77 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0c280ffe4e600d0e [INFO] [stderr] 41: 0x7f79f800f03d - rustc_query_system::query::plumbing::get_query_impl::h37ddcaa4a0c60b45 [INFO] [stderr] 42: 0x7f79f7fa8d07 - rustc_middle::ty::context::tls::enter_global::h43b4d7278205661c [INFO] [stderr] 43: 0x7f79f7f7501d - rustc_interface::interface::run_compiler_in_existing_thread_pool::h5d4334487074190f [INFO] [stderr] 44: 0x7f79f7fbf91d - scoped_tls::ScopedKey::set::h51123c2e8bd39911 [INFO] [stderr] 45: 0x7f79f7fbbea2 - rustc_ast::attr::with_globals::h27faf57f3fd8d421 [INFO] [stderr] 46: 0x7f79f7fc16cc - std::sys_common::backtrace::__rust_begin_short_backtrace::hac744d22fa8cc61c [INFO] [stderr] 47: 0x7f79f7f7824e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h237c6aa9840af126 [INFO] [stderr] 48: 0x7f79f789cb9a - as core::ops::function::FnOnce>::call_once::hb59dd7261bcac217 [INFO] [stderr] at /rustc/e2aab98dd8975a0990f9fbb79b3ea4b40559a184/src/liballoc/boxed.rs:1057 [INFO] [stderr] 49: 0x7f79f789cb9a - as core::ops::function::FnOnce>::call_once::hb7a91030439e6548 [INFO] [stderr] at /rustc/e2aab98dd8975a0990f9fbb79b3ea4b40559a184/src/liballoc/boxed.rs:1057 [INFO] [stderr] 50: 0x7f79f789cb9a - std::sys::unix::thread::Thread::new::thread_start::h1e42ba00cae086d8 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 51: 0x7f79f77de609 - start_thread [INFO] [stderr] 52: 0x7f79f76f2103 - __clone [INFO] [stderr] 53: 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 (e2aab98dd 2020-05-23) 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 `io_loop::content_collector::ContentCollector::collect_header` [INFO] [stderr] #1 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `amiquip`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "26b12c585cac5763396063f963190e492231076f12d26377a386161a81556abc"` [INFO] running `"docker" "rm" "-f" "26b12c585cac5763396063f963190e492231076f12d26377a386161a81556abc"` [INFO] [stdout] 26b12c585cac5763396063f963190e492231076f12d26377a386161a81556abc