[INFO] fetching crate woz 1.4.0... [INFO] checking woz-1.4.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472 [INFO] extracting crate woz 1.4.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate woz 1.4.0 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate woz 1.4.0 [INFO] finished tweaking crates.io crate woz 1.4.0 [INFO] tweaked toml for crates.io crate woz 1.4.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate woz 1.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_pcg v0.1.1 [INFO] [stderr] Downloaded autocfg v0.1.2 [INFO] [stderr] Downloaded rustc-demangle v0.1.13 [INFO] [stderr] Downloaded sha-1 v0.7.0 [INFO] [stderr] Downloaded security-framework-sys v0.2.3 [INFO] [stderr] Downloaded synstructure v0.10.1 [INFO] [stderr] Downloaded backtrace v0.3.13 [INFO] [stderr] Downloaded generic-array v0.9.0 [INFO] [stderr] Downloaded rusoto_signature v0.43.0 [INFO] [stderr] Downloaded time-macros v0.1.0 [INFO] [stderr] Downloaded standback v0.2.8 [INFO] [stderr] Downloaded stderrlog v0.4.1 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.48 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.48 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.48 [INFO] [stderr] Downloaded core-foundation-sys v0.5.1 [INFO] [stderr] Downloaded same-file v1.0.4 [INFO] [stderr] Downloaded ucd-trie v0.1.1 [INFO] [stderr] Downloaded byte-tools v0.2.0 [INFO] [stderr] Downloaded stdweb-internal-runtime v0.1.5 [INFO] [stderr] Downloaded miniz_oxide v0.2.1 [INFO] [stderr] Downloaded stdweb-internal-macros v0.2.9 [INFO] [stderr] Downloaded md5 v0.7.0 [INFO] [stderr] Downloaded time-macros-impl v0.1.1 [INFO] [stderr] Downloaded aho-corasick v0.6.9 [INFO] [stderr] Downloaded redox_syscall v0.1.51 [INFO] [stderr] Downloaded discard v1.0.4 [INFO] [stderr] Downloaded bumpalo v2.5.0 [INFO] [stderr] Downloaded stdweb-derive v0.5.3 [INFO] [stderr] Downloaded block-buffer v0.3.3 [INFO] [stderr] Downloaded miniz-sys v0.1.11 [INFO] [stderr] Downloaded openssl v0.10.16 [INFO] [stderr] Downloaded syn v0.15.26 [INFO] [stderr] Downloaded wasm-bindgen v0.2.48 [INFO] [stderr] Downloaded rusoto_s3 v0.43.0 [INFO] [stderr] Downloaded regex v1.1.0 [INFO] [stderr] Downloaded chrono v0.4.6 [INFO] [stderr] Downloaded time v0.2.14 [INFO] [stderr] Downloaded stdweb v0.4.20 [INFO] [stderr] Downloaded schannel v0.1.14 [INFO] [stderr] Downloaded walkdir v2.2.7 [INFO] [stderr] Downloaded native-tls v0.2.2 [INFO] [stderr] Downloaded rusoto_credential v0.43.0 [INFO] [stderr] Downloaded base-x v0.2.6 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.48 [INFO] [stderr] Downloaded socket2 v0.3.10 [INFO] [stderr] Downloaded rusoto_core v0.43.0 [INFO] [stderr] Downloaded itoa v0.4.3 [INFO] [stderr] Downloaded miniz_oxide_c_api v0.2.1 [INFO] [stderr] Downloaded num-traits v0.2.6 [INFO] [stderr] Downloaded digest v0.7.6 [INFO] [stderr] Downloaded openssl-sys v0.9.40 [INFO] [stderr] Downloaded regex-syntax v0.6.5 [INFO] [stderr] Downloaded MacTypes-sys v2.1.0 [INFO] [stderr] Downloaded syn v1.0.18 [INFO] [stderr] Downloaded core-foundation v0.5.1 [INFO] [stderr] Downloaded security-framework v0.2.2 [INFO] [stderr] Downloaded rand_jitter v0.1.3 [INFO] [stderr] Downloaded rand_os v0.1.2 [INFO] [stderr] Downloaded num-integer v0.1.39 [INFO] [stderr] Downloaded js-sys v0.3.25 [INFO] [stderr] Downloaded wasm-bindgen-webidl v0.2.48 [INFO] [stderr] Downloaded rusoto_cognito_identity v0.43.0 [INFO] [stderr] Downloaded ring v0.16.9 [INFO] [stderr] Downloaded pest v2.1.0 [INFO] [stderr] Downloaded rusoto_cognito_sync v0.43.0 [INFO] [stderr] Downloaded pest_meta v2.1.0 [INFO] [stderr] Downloaded tempfile v3.0.6 [INFO] [stderr] Downloaded web-sys v0.3.25 [INFO] [stderr] Downloaded rusoto_cognito_idp v0.43.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0bb43f036006391d7f96da7f5e5a49bc409d26147445da121b59da8fbc1e8cb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e0bb43f036006391d7f96da7f5e5a49bc409d26147445da121b59da8fbc1e8cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0bb43f036006391d7f96da7f5e5a49bc409d26147445da121b59da8fbc1e8cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0bb43f036006391d7f96da7f5e5a49bc409d26147445da121b59da8fbc1e8cb", kill_on_drop: false }` [INFO] [stdout] e0bb43f036006391d7f96da7f5e5a49bc409d26147445da121b59da8fbc1e8cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ff27e949158d2f3b93146bac933b3780ccf1235c674e88fa7c348f5fc6c2ecb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3ff27e949158d2f3b93146bac933b3780ccf1235c674e88fa7c348f5fc6c2ecb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking arc-swap v0.4.6 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling standback v0.2.8 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking zeroize v1.1.0 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking base64 v0.12.0 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling time v0.2.14 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling pest v2.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling rusoto_core v0.43.0 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling openssl-sys v0.9.40 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling ring v0.16.9 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking getrandom v0.1.7 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling pest_meta v2.1.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Compiling openssl v0.10.16 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking sha2 v0.8.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] thread 'rustc' panicked at 'assertion failed: `(left == right)` [INFO] [stderr] left: `DefId(0:1310 ~ ring[7bff]::digest::sha2::)`, [INFO] [stderr] right: `DefId(0:1311 ~ ring[7bff]::digest::sha2::::GFp_sha256_block_data_order)`', compiler/rustc_middle/src/hir/map/collector.rs:227:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f95ec92fe30 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7f95ec92fe30 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f95ec92fe30 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f95ec92fe30 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f95ec9a2bfc - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x7f95ec9219a2 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x7f95ec933a95 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f95ec933a95 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f95ec933a95 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f95ec9335ea - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7f95ed1c3e88 - rustc_driver::report_ice::ha25ae86a5858acc3 [INFO] [stderr] 11: 0x7f95ec934396 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:595:17 [INFO] [stderr] 12: 0x7f95ec933eb7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:497:13 [INFO] [stderr] 13: 0x7f95ec9302ec - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 14: 0x7f95ec933e19 - rust_begin_unwind [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:493:5 [INFO] [stderr] 15: 0x7f95ec99efe1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/core/src/panicking.rs:92:14 [INFO] [stderr] 16: 0x7f95eff56692 - rustc_middle::hir::map::collector::NodeCollector::insert_entry::hca669a46f64fdb43 [INFO] [stderr] 17: 0x7f95efb401d5 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 18: 0x7f95eff56b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 19: 0x7f95efb40116 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 20: 0x7f95eff56b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 21: 0x7f95efb40116 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 22: 0x7f95eff56b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 23: 0x7f95efcf60b8 - rustc_middle::hir::map::index_hir::hf439917ce696bd94 [INFO] [stderr] 24: 0x7f95f01bf396 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h8bd29a88a93658cd [INFO] [stderr] 25: 0x7f95efdc3a9e - rustc_data_structures::stack::ensure_sufficient_stack::h342dc757722bd1db [INFO] [stderr] 26: 0x7f95f005ee2f - rustc_query_system::query::plumbing::get_query_impl::hb09330ad44d3182c [INFO] [stderr] 27: 0x7f95efe057cd - core::ops::function::FnOnce::call_once::h5a7eb1d6379c8762 [INFO] [stderr] 28: 0x7f95f01c3f26 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h9f649dad743b6654 [INFO] [stderr] 29: 0x7f95efdccc8e - rustc_data_structures::stack::ensure_sufficient_stack::h7d600bd62a1740c1 [INFO] [stderr] 30: 0x7f95f003730e - rustc_query_system::query::plumbing::get_query_impl::h8f65053f4158eee3 [INFO] [stderr] 31: 0x7f95efcf32e3 - rustc_middle::hir::map::Map::expect_item::hfd87383e47c97d54 [INFO] [stderr] 32: 0x7f95ee25932e - rustc_middle::hir::map::Map::visit_item_likes_in_module::h247672bea00725ec [INFO] [stderr] 33: 0x7f95ee27914c - rustc_passes::hir_id_validator::check_crate::h59836737852b1597 [INFO] [stderr] 34: 0x7f95ed421d22 - rustc_interface::passes::analysis::h342855b4d8ce9897 [INFO] [stderr] 35: 0x7f95ed1809ab - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h95ff81a8a73eaff3 [INFO] [stderr] 36: 0x7f95ed211cd6 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h9b1ab6f92ac4abd3 [INFO] [stderr] 37: 0x7f95ed221206 - rustc_data_structures::stack::ensure_sufficient_stack::hd767cf5f976dec26 [INFO] [stderr] 38: 0x7f95ed1ae5a4 - rustc_query_system::query::plumbing::get_query_impl::h59cb47161047ab66 [INFO] [stderr] 39: 0x7f95ed18307b - rustc_interface::passes::QueryContext::enter::heace2ac35bf577de [INFO] [stderr] 40: 0x7f95ed21e4a5 - rustc_interface::queries::::enter::hcfd2504bb4e8d292 [INFO] [stderr] 41: 0x7f95ed1ec797 - rustc_span::with_source_map::hdf17fa3a4d8fe35b [INFO] [stderr] 42: 0x7f95ed21a8cc - scoped_tls::ScopedKey::set::h5dca480b178bbfab [INFO] [stderr] 43: 0x7f95ed2219e5 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha4cbf96baa7e4912 [INFO] [stderr] 44: 0x7f95ed18a5ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::he2d69591c700ddc8 [INFO] [stderr] 45: 0x7f95ec94365a - as core::ops::function::FnOnce>::call_once::hea1090dbdcecbf5a [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/alloc/src/boxed.rs:1318:9 [INFO] [stderr] 46: 0x7f95ec94365a - as core::ops::function::FnOnce>::call_once::h8d5723d3912bd325 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/alloc/src/boxed.rs:1318:9 [INFO] [stderr] 47: 0x7f95ec94365a - std::sys::unix::thread::Thread::new::thread_start::hc17a425ca2995724 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stderr] 48: 0x7f95ec85b609 - start_thread [INFO] [stderr] 49: 0x7f95ec76f293 - 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/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.50.0-nightly (9b49d8c6c 2020-11-27) 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 [index_hir] index HIR [INFO] [stderr] #1 [hir_owner] HIR owner of `{misc#0}` [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `ring` [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 `Command { std: "docker" "inspect" "3ff27e949158d2f3b93146bac933b3780ccf1235c674e88fa7c348f5fc6c2ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ff27e949158d2f3b93146bac933b3780ccf1235c674e88fa7c348f5fc6c2ecb", kill_on_drop: false }` [INFO] [stdout] 3ff27e949158d2f3b93146bac933b3780ccf1235c674e88fa7c348f5fc6c2ecb