[INFO] cloning repository https://github.com/9uapaw/debris [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/9uapaw/debris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9uapaw%2Fdebris", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9uapaw%2Fdebris'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 69cc62e3bfcb3cde792903ebdfddf83aea8b955a [INFO] checking 9uapaw/debris against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F9uapaw%2Fdebris" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/9uapaw/debris 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/9uapaw/debris [INFO] finished tweaking git repo https://github.com/9uapaw/debris [INFO] tweaked toml for git repo https://github.com/9uapaw/debris written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/9uapaw/debris 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] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded csv v1.1.5 [INFO] [stderr] Downloaded scraper v0.9.2 [INFO] [stderr] Downloaded ego-tree v0.6.2 [INFO] [stderr] Downloaded procedural-masquerade v0.1.7 [INFO] [stderr] Downloaded prettytable-rs v0.8.0 [INFO] [stderr] Downloaded cssparser-macros v0.3.6 [INFO] [stderr] Downloaded string_cache v0.7.5 [INFO] [stderr] Downloaded hyper-rustls v0.17.1 [INFO] [stderr] Downloaded tokio-rustls v0.10.3 [INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 476fbe4c1f519361a52e02f690dba9bcd4a75b1ece104d9a7d2aaec1dd1e8949 [INFO] running `Command { std: "docker" "start" "-a" "476fbe4c1f519361a52e02f690dba9bcd4a75b1ece104d9a7d2aaec1dd1e8949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "476fbe4c1f519361a52e02f690dba9bcd4a75b1ece104d9a7d2aaec1dd1e8949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "476fbe4c1f519361a52e02f690dba9bcd4a75b1ece104d9a7d2aaec1dd1e8949", kill_on_drop: false }` [INFO] [stdout] 476fbe4c1f519361a52e02f690dba9bcd4a75b1ece104d9a7d2aaec1dd1e8949 [INFO] running `Command { std: "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" "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] 20de3bf892ddd7375a093f7934047be74673c1ee2deb60beabb93d1cd813a49a [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" "20de3bf892ddd7375a093f7934047be74673c1ee2deb60beabb93d1cd813a49a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling procedural-masquerade v0.1.7 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking thin-slice v0.1.1 [INFO] [stderr] Checking ego-tree v0.6.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking dtoa-short v0.3.2 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking servo_arc v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking indexmap v1.6.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking tendril v0.4.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.36 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling ring v0.16.19 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking flate2 v1.0.19 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking publicsuffix v1.5.4 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling selectors v0.20.0 [INFO] [stderr] thread 'rustc' panicked at 'assertion failed: `(left == right)` [INFO] [stderr] left: `DefId(0:1268 ~ ring[f394]::digest::sha2::)`, [INFO] [stderr] right: `DefId(0:1269 ~ ring[f394]::digest::sha2::::GFp_sha256_block_data_order)`', compiler/rustc_middle/src/hir/map/collector.rs:227:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f121bac0e30 - 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: 0x7f121bac0e30 - 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: 0x7f121bac0e30 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f121bac0e30 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f121bb33bfc - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x7f121bab29a2 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x7f121bac4a95 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f121bac4a95 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f121bac4a95 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f121bac45ea - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:225:9 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] 10: 0x7f121c354e88 - rustc_driver::report_ice::ha25ae86a5858acc3 [INFO] [stderr] 11: 0x7f121bac5396 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:595:17 [INFO] [stderr] 12: 0x7f121bac4eb7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:497:13 [INFO] [stderr] 13: 0x7f121bac12ec - 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: 0x7f121bac4e19 - rust_begin_unwind [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:493:5 [INFO] [stderr] 15: 0x7f121bb2ffe1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/core/src/panicking.rs:92:14 [INFO] [stderr] 16: 0x7f121f0e7692 - rustc_middle::hir::map::collector::NodeCollector::insert_entry::hca669a46f64fdb43 [INFO] [stderr] 17: 0x7f121ecd11d5 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 18: 0x7f121f0e7b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 19: 0x7f121ecd1116 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 20: 0x7f121f0e7b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 21: 0x7f121ecd1116 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f [INFO] [stderr] 22: 0x7f121f0e7b15 - ::visit_item::h0f587429024a5cb5 [INFO] [stderr] 23: 0x7f121ee870b8 - rustc_middle::hir::map::index_hir::hf439917ce696bd94 [INFO] [stderr] 24: 0x7f121f350396 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h8bd29a88a93658cd [INFO] [stderr] 25: 0x7f121ef54a9e - rustc_data_structures::stack::ensure_sufficient_stack::h342dc757722bd1db [INFO] [stderr] 26: 0x7f121f1efe2f - rustc_query_system::query::plumbing::get_query_impl::hb09330ad44d3182c [INFO] [stderr] 27: 0x7f121ef967cd - core::ops::function::FnOnce::call_once::h5a7eb1d6379c8762 [INFO] [stderr] 28: 0x7f121f354f26 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h9f649dad743b6654 [INFO] [stderr] 29: 0x7f121ef5dc8e - rustc_data_structures::stack::ensure_sufficient_stack::h7d600bd62a1740c1 [INFO] [stderr] 30: 0x7f121f1c830e - rustc_query_system::query::plumbing::get_query_impl::h8f65053f4158eee3 [INFO] [stderr] 31: 0x7f121ee842e3 - rustc_middle::hir::map::Map::expect_item::hfd87383e47c97d54 [INFO] [stderr] 32: 0x7f121d3ea32e - rustc_middle::hir::map::Map::visit_item_likes_in_module::h247672bea00725ec [INFO] [stderr] 33: 0x7f121d40a14c - rustc_passes::hir_id_validator::check_crate::h59836737852b1597 [INFO] [stderr] 34: 0x7f121c5b2d22 - rustc_interface::passes::analysis::h342855b4d8ce9897 [INFO] [stderr] 35: 0x7f121c3119ab - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h95ff81a8a73eaff3 [INFO] [stderr] 36: 0x7f121c3a2cd6 - rustc_query_system::dep_graph::graph::DepGraph::with_eval_always_task::h9b1ab6f92ac4abd3 [INFO] [stderr] 37: 0x7f121c3b2206 - rustc_data_structures::stack::ensure_sufficient_stack::hd767cf5f976dec26 [INFO] [stderr] 38: 0x7f121c33f5a4 - rustc_query_system::query::plumbing::get_query_impl::h59cb47161047ab66 [INFO] [stderr] 39: 0x7f121c31407b - rustc_interface::passes::QueryContext::enter::heace2ac35bf577de [INFO] [stderr] 40: 0x7f121c3af4a5 - rustc_interface::queries::::enter::hcfd2504bb4e8d292 [INFO] [stderr] 41: 0x7f121c37d797 - rustc_span::with_source_map::hdf17fa3a4d8fe35b [INFO] [stderr] 42: 0x7f121c3ab8cc - scoped_tls::ScopedKey::set::h5dca480b178bbfab [INFO] [stderr] 43: 0x7f121c3b29e5 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha4cbf96baa7e4912 [INFO] [stderr] 44: 0x7f121c31b5ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::he2d69591c700ddc8 [INFO] [stderr] 45: 0x7f121bad465a - as core::ops::function::FnOnce>::call_once::hea1090dbdcecbf5a [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/alloc/src/boxed.rs:1318:9 [INFO] [stderr] 46: 0x7f121bad465a - as core::ops::function::FnOnce>::call_once::h8d5723d3912bd325 [INFO] [stderr] at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/alloc/src/boxed.rs:1318:9 [INFO] [stderr] 47: 0x7f121bad465a - 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: 0x7f121b9ec609 - start_thread [INFO] [stderr] 49: 0x7f121b900293 - 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" "20de3bf892ddd7375a093f7934047be74673c1ee2deb60beabb93d1cd813a49a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20de3bf892ddd7375a093f7934047be74673c1ee2deb60beabb93d1cd813a49a", kill_on_drop: false }` [INFO] [stdout] 20de3bf892ddd7375a093f7934047be74673c1ee2deb60beabb93d1cd813a49a