[INFO] cloning repository https://github.com/tessai9/SimpleChat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tessai9/SimpleChat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftessai9%2FSimpleChat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftessai9%2FSimpleChat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec81db8526c1888675c2c38bf9dc562184612499
[INFO] checking tessai9/SimpleChat against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftessai9%2FSimpleChat" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tessai9/SimpleChat 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/tessai9/SimpleChat
[INFO] finished tweaking git repo https://github.com/tessai9/SimpleChat
[INFO] tweaked toml for git repo https://github.com/tessai9/SimpleChat written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tessai9/SimpleChat 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 ...
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[INFO] [stderr]   Downloaded multihash v0.11.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] efd3559ac419c1791809900ef9c213ddcd285abd4bcb858b655fb166ee50f70d
[INFO] running `Command { std: "docker" "start" "-a" "efd3559ac419c1791809900ef9c213ddcd285abd4bcb858b655fb166ee50f70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efd3559ac419c1791809900ef9c213ddcd285abd4bcb858b655fb166ee50f70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd3559ac419c1791809900ef9c213ddcd285abd4bcb858b655fb166ee50f70d", kill_on_drop: false }`
[INFO] [stdout] efd3559ac419c1791809900ef9c213ddcd285abd4bcb858b655fb166ee50f70d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a74e47d3e30a78fd64a677989b58e488b1c46b01445c04086f64e51eb6fa9094
[INFO] running `Command { std: "docker" "start" "-a" "a74e47d3e30a78fd64a677989b58e488b1c46b01445c04086f64e51eb6fa9094", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.75
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.64
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.64
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking iced_core v0.2.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling glam v0.8.7
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking svg_fmt v0.2.1
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking assert-type-eq v0.1.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking iced_style v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking salsa20-core v0.2.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr] thread 'rustc' panicked at 'assertion failed: `(left == right)`
[INFO] [stderr]   left: `DefId(0:1306 ~ ring[e257]::digest::sha2::)`,
[INFO] [stderr]  right: `DefId(0:1307 ~ ring[e257]::digest::sha2::::GFp_sha256_block_data_order)`', compiler/rustc_middle/src/hir/map/collector.rs:227:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f1a057e2e30 - 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:     0x7f1a057e2e30 - 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:     0x7f1a057e2e30 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f1a057e2e30 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc132ae1a5b5aa7cd
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7f1a05855bfc - core::fmt::write::hdf023a0036d2a25f
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]    5:     0x7f1a057d49a2 - std::io::Write::write_fmt::h8580846154bcb66a
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]    6:     0x7f1a057e6a95 - std::sys_common::backtrace::_print::h7ee55fed88d107a3
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f1a057e6a95 - std::sys_common::backtrace::print::h54a7d3e52a524177
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f1a057e6a95 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7f1a057e65ea - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7f1a06076e88 - rustc_driver::report_ice::ha25ae86a5858acc3
[INFO] [stderr]   11:     0x7f1a057e7396 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:595:17
[INFO] [stderr]   12:     0x7f1a057e6eb7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:497:13
[INFO] [stderr]   13:     0x7f1a057e32ec - 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:     0x7f1a057e6e19 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/std/src/panicking.rs:493:5
[INFO] [stderr]   15:     0x7f1a05851fe1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/core/src/panicking.rs:92:14
[INFO] [stderr]   16:     0x7f1a08e09692 - rustc_middle::hir::map::collector::NodeCollector::insert_entry::hca669a46f64fdb43
[INFO] [stderr]   17:     0x7f1a089f31d5 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f
[INFO] [stderr]   18:     0x7f1a08e09b15 - <rustc_middle::hir::map::collector::NodeCollector as rustc_hir::intravisit::Visitor>::visit_item::h0f587429024a5cb5
[INFO] [stderr]   19:     0x7f1a089f3116 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f
[INFO] [stderr]   20:     0x7f1a08e09b15 - <rustc_middle::hir::map::collector::NodeCollector as rustc_hir::intravisit::Visitor>::visit_item::h0f587429024a5cb5
[INFO] [stderr]   21:     0x7f1a089f3116 - rustc_hir::intravisit::walk_item::hc46606fd2b20aa7f
[INFO] [stderr]   22:     0x7f1a08e09b15 - <rustc_middle::hir::map::collector::NodeCollector as rustc_hir::intravisit::Visitor>::visit_item::h0f587429024a5cb5
[INFO] [stderr]   23:     0x7f1a08ba90b8 - rustc_middle::hir::map::index_hir::hf439917ce696bd94
[INFO] [stderr]   24:     0x7f1a09072396 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_eval_always_task::h8bd29a88a93658cd
[INFO] [stderr]   25:     0x7f1a08c76a9e - rustc_data_structures::stack::ensure_sufficient_stack::h342dc757722bd1db
[INFO] [stderr]   26:     0x7f1a08f11e2f - rustc_query_system::query::plumbing::get_query_impl::hb09330ad44d3182c
[INFO] [stderr]   27:     0x7f1a08cb87cd - core::ops::function::FnOnce::call_once::h5a7eb1d6379c8762
[INFO] [stderr]   28:     0x7f1a09076f26 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_eval_always_task::h9f649dad743b6654
[INFO] [stderr]   29:     0x7f1a08c7fc8e - rustc_data_structures::stack::ensure_sufficient_stack::h7d600bd62a1740c1
[INFO] [stderr]   30:     0x7f1a08eea30e - rustc_query_system::query::plumbing::get_query_impl::h8f65053f4158eee3
[INFO] [stderr]   31:     0x7f1a08ba62e3 - rustc_middle::hir::map::Map::expect_item::hfd87383e47c97d54
[INFO] [stderr]   32:     0x7f1a0710c32e - rustc_middle::hir::map::Map::visit_item_likes_in_module::h247672bea00725ec
[INFO] [stderr]   33:     0x7f1a0712c14c - rustc_passes::hir_id_validator::check_crate::h59836737852b1597
[INFO] [stderr]   34:     0x7f1a062d4d22 - rustc_interface::passes::analysis::h342855b4d8ce9897
[INFO] [stderr]   35:     0x7f1a060339ab - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::analysis>::compute::h95ff81a8a73eaff3
[INFO] [stderr]   36:     0x7f1a060c4cd6 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_eval_always_task::h9b1ab6f92ac4abd3
[INFO] [stderr]   37:     0x7f1a060d4206 - rustc_data_structures::stack::ensure_sufficient_stack::hd767cf5f976dec26
[INFO] [stderr]   38:     0x7f1a060615a4 - rustc_query_system::query::plumbing::get_query_impl::h59cb47161047ab66
[INFO] [stderr]   39:     0x7f1a0603607b - rustc_interface::passes::QueryContext::enter::heace2ac35bf577de
[INFO] [stderr]   40:     0x7f1a060d14a5 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::hcfd2504bb4e8d292
[INFO] [stderr]   41:     0x7f1a0609f797 - rustc_span::with_source_map::hdf17fa3a4d8fe35b
[INFO] [stderr]   42:     0x7f1a060cd8cc - scoped_tls::ScopedKey<T>::set::h5dca480b178bbfab
[INFO] [stderr]   43:     0x7f1a060d49e5 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha4cbf96baa7e4912
[INFO] [stderr]   44:     0x7f1a0603d5ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::he2d69591c700ddc8
[INFO] [stderr]   45:     0x7f1a057f665a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hea1090dbdcecbf5a
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/alloc/src/boxed.rs:1318:9
[INFO] [stderr]   46:     0x7f1a057f665a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8d5723d3912bd325
[INFO] [stderr]                                at /rustc/9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c/library/alloc/src/boxed.rs:1318:9
[INFO] [stderr]   47:     0x7f1a057f665a - 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:     0x7f1a0570e609 - start_thread
[INFO] [stderr]   49:     0x7f1a05622293 - clone
[INFO] [stderr]   50:                0x0 - <unknown>
[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" "a74e47d3e30a78fd64a677989b58e488b1c46b01445c04086f64e51eb6fa9094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74e47d3e30a78fd64a677989b58e488b1c46b01445c04086f64e51eb6fa9094", kill_on_drop: false }`
[INFO] [stdout] a74e47d3e30a78fd64a677989b58e488b1c46b01445c04086f64e51eb6fa9094