[INFO] cloning repository https://github.com/ethankhall/crom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethankhall/crom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethankhall%2Fcrom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethankhall%2Fcrom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d113aa2ba17a971f95453d36801f1462b7561928 [INFO] checking ethankhall/crom against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethankhall%2Fcrom" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ethankhall/crom 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 git repo https://github.com/ethankhall/crom [INFO] finished tweaking git repo https://github.com/ethankhall/crom [INFO] tweaked toml for git repo https://github.com/ethankhall/crom written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ethankhall/crom 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 proc-macro2 v1.0.21 [INFO] [stderr] Downloaded libflate_lz77 v1.0.0 [INFO] [stderr] Downloaded hermit-abi v0.1.16 [INFO] [stderr] Downloaded indicatif v0.15.0 [INFO] [stderr] Downloaded extend v0.1.2 [INFO] [stderr] Downloaded assert-json-diff v1.1.0 [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded terminal_size v0.1.13 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded hyper v0.13.8 [INFO] [stderr] Downloaded reqwest v0.10.8 [INFO] [stderr] Downloaded bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Downloaded rle-decode-fast v1.0.1 [INFO] [stderr] Downloaded fern v0.6.0 [INFO] [stderr] Downloaded async-compression v0.3.5 [INFO] [stderr] Downloaded xml-rs v0.8.3 [INFO] [stderr] Downloaded libflate v1.0.2 [INFO] [stderr] Downloaded bzip2 v0.3.3 [INFO] [stderr] Downloaded hashbrown v0.9.0 [INFO] [stderr] Downloaded flate2 v1.0.14 [INFO] [stderr] Downloaded termios v0.3.2 [INFO] [stderr] Downloaded rust-ini v0.15.3 [INFO] [stderr] Downloaded hashbrown v0.7.2 [INFO] [stderr] Downloaded ordered-multimap v0.2.4 [INFO] [stderr] Downloaded syn v1.0.41 [INFO] [stderr] Downloaded tracing-core v0.1.16 [INFO] [stderr] Downloaded mockito v0.27.0 [INFO] [stderr] Downloaded console v0.12.0 [INFO] [stderr] Downloaded serde v1.0.116 [INFO] [stderr] Downloaded git2 v0.13.11 [INFO] [stderr] Downloaded zip v0.5.8 [INFO] [stderr] Downloaded dlv-list v0.2.2 [INFO] [stderr] Downloaded serde_derive v1.0.116 [INFO] [stderr] Downloaded xmltree v0.10.1 [INFO] [stderr] Downloaded socket2 v0.3.15 [INFO] [stderr] Downloaded jobserver v0.1.21 [INFO] [stderr] Downloaded toml_edit v0.2.0 [INFO] [stderr] Downloaded encoding_rs v0.8.24 [INFO] [stderr] Downloaded libgit2-sys v0.12.13+1.0.1 [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3624a07f8818369ce857b90f8a289dcf46441f4385648ce50354eea779e9f6d8 [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" "3624a07f8818369ce857b90f8a289dcf46441f4385648ce50354eea779e9f6d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3624a07f8818369ce857b90f8a289dcf46441f4385648ce50354eea779e9f6d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3624a07f8818369ce857b90f8a289dcf46441f4385648ce50354eea779e9f6d8", kill_on_drop: false }` [INFO] [stdout] 3624a07f8818369ce857b90f8a289dcf46441f4385648ce50354eea779e9f6d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 067eab48b45309586a66f9fa9d723b114a01dbbb9a6b6f78dd0f5a7e24ed9fd2 [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" "067eab48b45309586a66f9fa9d723b114a01dbbb9a6b6f78dd0f5a7e24ed9fd2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking hashbrown v0.9.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking tinyvec v0.3.4 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling encoding_rs v0.8.24 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking ascii v0.9.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking xml-rs v0.8.3 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking rle-decode-fast v1.0.1 [INFO] [stderr] Checking libflate_lz77 v1.0.0 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking tracing-core v0.1.16 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking combine v3.8.1 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking xmltree v0.10.1 [INFO] [stderr] Checking libflate v1.0.2 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking socket2 v0.3.15 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking terminal_size v0.1.13 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking filetime v0.2.12 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking console v0.12.0 [INFO] [stderr] Checking tar v0.4.30 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Checking fern v0.6.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking async-compression v0.3.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking predicates v1.0.5 [INFO] [stderr] Checking indicatif v0.15.0 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Compiling libgit2-sys v0.12.13+1.0.1 [INFO] [stderr] Checking dlv-list v0.2.2 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking ordered-multimap v0.2.4 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking rust-ini v0.15.3 [INFO] [stderr] thread 'rustc' panicked at 'assertion failed: `(left == right)` [INFO] [stderr] left: `DefId(0:1303 ~ ring[3c26]::digest::sha2::)`, [INFO] [stderr] right: `DefId(0:1304 ~ ring[3c26]::digest::sha2::::GFp_sha256_block_data_order)`', compiler/rustc_middle/src/hir/map/collector.rs:227:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f804ed99e30 - 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: 0x7f804ed99e30 - 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: 0x7f804ed99e30 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f804ed99e30 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f804ee0cbfc - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x7f804ed8b9a2 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x7f804ed9da95 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f804ed9da95 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f804ed9da95 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f804ed9d5ea - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7f804f62de88 - rustc_driver::report_ice::ha25ae86a5858acc3 [INFO] [stderr] 11: 0x7f804ed9e396 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:595:17 [INFO] [stderr] 12: 0x7f804ed9deb7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:497:13 [INFO] [stderr] 13: 0x7f804ed9a2ec - 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: 0x7f804ed9de19 - rust_begin_unwind [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:493:5 [INFO] [stderr] 15: 0x7f804ee08fe1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/core/src/panicking.rs:92:14 [INFO] [stderr] 16: 0x7f80523c0692 - rustc_middle::hir::map::collector::NodeCollector::insert_entry::hca669a46f64fdb43 [INFO] [stderr] 17: 0x7f8051faa1d5 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 18: 0x7f80523c0b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 19: 0x7f8051faa116 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 20: 0x7f80523c0b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 21: 0x7f8051faa116 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 22: 0x7f80523c0b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 23: 0x7f80521600b8 - rustc_middle::hir::map::index_hir::hf439917ce696bd94 [INFO] [stderr] 24: 0x7f8052629396 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h8bd29a88a93658cd [INFO] [stderr] 25: 0x7f805222da9e - rustc_data_structures::stack::ensure_sufficient_stack::h342dc757722bd1db [INFO] [stderr] 26: 0x7f80524c8e2f - rustc_query_system::query::plumbing::get_query_impl::hb09330ad44d3182c [INFO] [stderr] 27: 0x7f805226f7cd - core::ops::function::FnOnce::call_once::h5a7eb1d6379c8762 [INFO] [stderr] 28: 0x7f805262df26 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h9f649dad743b6654 [INFO] [stderr] 29: 0x7f8052236c8e - rustc_data_structures::stack::ensure_sufficient_stack::h7d600bd62a1740c1 [INFO] [stderr] 30: 0x7f80524a130e - rustc_query_system::query::plumbing::get_query_impl::h8f65053f4158eee3 [INFO] [stderr] 31: 0x7f805215d2e3 - rustc_middle::hir::map::Map::expect_item::hfd87383e47c97d54 [INFO] [stderr] 32: 0x7f80506c332e - rustc_middle::hir::map::Map::visit_item_likes_in_module::h247672bea00725ec [INFO] [stderr] 33: 0x7f80506e314c - rustc_passes::hir_id_validator::check_crate::h59836737852b1597 [INFO] [stderr] 34: 0x7f804f88bd22 - rustc_interface::passes::analysis::h342855b4d8ce9897 [INFO] [stderr] 35: 0x7f804f5ea9ab - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h95ff81a8a73eaff3 [INFO] [stderr] 36: 0x7f804f67bcd6 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h9b1ab6f92ac4abd3 [INFO] [stderr] 37: 0x7f804f68b206 - rustc_data_structures::stack::ensure_sufficient_stack::hd767cf5f976dec26 [INFO] [stderr] 38: 0x7f804f6185a4 - rustc_query_system::query::plumbing::get_query_impl::h59cb47161047ab66 [INFO] [stderr] 39: 0x7f804f5ed07b - rustc_interface::passes::QueryContext::enter::heace2ac35bf577de [INFO] [stderr] 40: 0x7f804f6884a5 - rustc_interface::queries::::enter::hcfd2504bb4e8d292 [INFO] [stderr] 41: 0x7f804f656797 - rustc_span::with_source_map::hdf17fa3a4d8fe35b [INFO] [stderr] 42: 0x7f804f6848cc - scoped_tls::ScopedKey::set::h5dca480b178bbfab [INFO] [stderr] 43: 0x7f804f68b9e5 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha4cbf96baa7e4912 [INFO] [stderr] 44: 0x7f804f5f45ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::he2d69591c700ddc8 [INFO] [stderr] 45: 0x7f804edad65a - as core::ops::function::FnOnce>::call_once::hea1090dbdcecbf5a [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/alloc/src/boxed.rs:1318:9 [INFO] [stderr] 46: 0x7f804edad65a - as core::ops::function::FnOnce>::call_once::h8d5723d3912bd325 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/alloc/src/boxed.rs:1318:9 [INFO] [stderr] 47: 0x7f804edad65a - 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: 0x7f804ecc5609 - start_thread [INFO] [stderr] 49: 0x7f804ebd9293 - 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" "067eab48b45309586a66f9fa9d723b114a01dbbb9a6b6f78dd0f5a7e24ed9fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "067eab48b45309586a66f9fa9d723b114a01dbbb9a6b6f78dd0f5a7e24ed9fd2", kill_on_drop: false }` [INFO] [stdout] 067eab48b45309586a66f9fa9d723b114a01dbbb9a6b6f78dd0f5a7e24ed9fd2