[INFO] cloning repository https://github.com/booleancoercion/chat-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/booleancoercion/chat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbooleancoercion%2Fchat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbooleancoercion%2Fchat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39e9e7d50cf2d4a2d0c6a419fe16b11dacd06c6b
[INFO] building booleancoercion/chat-rs against try#2cd6942e35a7765b6869d3a149ca54f2598b77ad for pr-93180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbooleancoercion%2Fchat-rs" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/booleancoercion/chat-rs on toolchain 2cd6942e35a7765b6869d3a149ca54f2598b77ad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/booleancoercion/chat-rs
[INFO] finished tweaking git repo https://github.com/booleancoercion/chat-rs
[INFO] tweaked toml for git repo https://github.com/booleancoercion/chat-rs written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "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" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.3.2
[INFO] [stderr]   Downloaded elliptic-curve v0.6.6
[INFO] [stderr]   Downloaded const-oid v0.1.0
[INFO] [stderr]   Downloaded ff v0.8.0
[INFO] [stderr]   Downloaded group v0.8.0
[INFO] [stderr]   Downloaded bitvec v0.18.5
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded k256 v0.5.10
[INFO] [stderr]   Downloaded tokio v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2261b6c979d56eb12c4d6819d0edd6926dd19734b9300fd75aa3423daf3cca06
[INFO] running `Command { std: "docker" "start" "-a" "2261b6c979d56eb12c4d6819d0edd6926dd19734b9300fd75aa3423daf3cca06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2261b6c979d56eb12c4d6819d0edd6926dd19734b9300fd75aa3423daf3cca06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2261b6c979d56eb12c4d6819d0edd6926dd19734b9300fd75aa3423daf3cca06", kill_on_drop: false }`
[INFO] [stdout] 2261b6c979d56eb12c4d6819d0edd6926dd19734b9300fd75aa3423daf3cca06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8c6b0ea36aa5d0f26ecb465176190f60d48ab2194cacf4f3dac2d748863934f
[INFO] running `Command { std: "docker" "start" "-a" "f8c6b0ea36aa5d0f26ecb465176190f60d48ab2194cacf4f3dac2d748863934f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling const-oid v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling zeroize v1.5.1
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling bitvec v0.18.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling ff v0.8.0
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling group v0.8.0
[INFO] [stderr]    Compiling elliptic-curve v0.6.6
[INFO] [stderr]    Compiling k256 v0.5.10
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling chat-rs v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: internal compiler error: compiler/rustc_mir_transform/src/generator.rs:766:13: Broken MIR: generator contains type &mut <Self as SendMsg>::Writer in MIR, but typeck only knows about {ResumeTy, &Msg, Option<&Aes256>, Vec<u8>, &[u8], &Vec<u8>, tokio::io::util::write_all::WriteAll<<Self as SendMsg>::Writer>, (), tokio::io::util::flush::Flush<<Self as SendMsg>::Writer>} and [&mut Self, &Msg]
[INFO] [stdout]    --> src/lib.rs:67:59
[INFO] [stdout]     |
[INFO] [stdout] 67  |       async fn send_msg(&mut self, msg: &Msg) -> Result<()> {
[INFO] [stdout]     |  ___________________________________________________________^
[INFO] [stdout] 68  | |         let (writer, cipher) = self.get_writer_cipher();
[INFO] [stdout] 69  | |
[INFO] [stdout] 70  | |         let mut buffer = Vec::with_capacity(MSG_LENGTH);
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         Ok(())
[INFO] [stdout] 103 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'Box<dyn Any>', /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/compiler/rustc_errors/src/lib.rs:1103:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f39b861167c - std::backtrace_rs::backtrace::libunwind::trace::hab3bb7239730ce1e
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]    1:     0x7f39b861167c - std::backtrace_rs::backtrace::trace_unsynchronized::h7c00739330269721
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f39b861167c - std::sys_common::backtrace::_print_fmt::hc7fce0f2bad6b4e5
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f39b861167c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6b1f9c749ca5dfce
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7f39b867285c - core::fmt::write::h14b56021008c8193
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/core/src/fmt/mod.rs:1168:17
[INFO] [stderr]    5:     0x7f39b8600c23 - std::io::Write::write_fmt::h00903ac5c84da4ab
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/io/mod.rs:1653:15
[INFO] [stderr]    6:     0x7f39b8615aa2 - std::sys_common::backtrace::_print::h520cdd5f2e9c382b
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f39b8615aa2 - std::sys_common::backtrace::print::hc31c18dd3d9e99d7
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f39b8615aa2 - std::panicking::default_hook::{{closure}}::h2b4911050a1d8d19
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:290:50
[INFO] [stderr]    9:     0x7f39b8615685 - std::panicking::default_hook::hd9ee213c07ceee82
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:307:9
[INFO] [stderr]   10:     0x7f39b8df2f91 - rustc_driver[574060610cdb6686]::DEFAULT_HOOK::{closure#0}::{closure#0}
[INFO] [stderr]   11:     0x7f39aad94db3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h5124dcf8c0cd08c3
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1868:9
[INFO] [stderr]   12:     0x7f39aad9b70c - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h9446e13f25d95ae3
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/proc_macro/src/bridge/client.rs:319:21
[INFO] [stderr]   13:     0x7f39aadb9950 - std::panicking::update_hook::{{closure}}::hc90c20e40c4feef8
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:257:41
[INFO] [stderr]   14:     0x7f39b86162bb - std::panicking::rust_panic_with_hook::hf221ce82965f4abb
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:695:17
[INFO] [stderr]   15:     0x7f39b90691d1 - std[8ff7d40267274bc7]::panicking::begin_panic::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>::{closure#0}
[INFO] [stderr]   16:     0x7f39b9068d76 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_end_short_backtrace::<std[8ff7d40267274bc7]::panicking::begin_panic<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   17:     0x7f39b8fcf3ff - std[8ff7d40267274bc7]::panicking::begin_panic::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>
[INFO] [stderr]   18:     0x7f39b9049f5d - std[8ff7d40267274bc7]::panic::panic_any::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>
[INFO] [stderr]   19:     0x7f39b90468c8 - <rustc_errors[a0b4bf6c95948d12]::HandlerInner>::span_bug::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   20:     0x7f39b9046680 - <rustc_errors[a0b4bf6c95948d12]::Handler>::span_bug::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   21:     0x7f39b8fac0f8 - rustc_middle[8a77eead77a7de65]::ty::context::tls::with_opt::<rustc_middle[8a77eead77a7de65]::util::bug::opt_span_bug_fmt<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>::{closure#0}, ()>
[INFO] [stderr]   22:     0x7f39b8fac1b0 - rustc_middle[8a77eead77a7de65]::util::bug::opt_span_bug_fmt::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   23:     0x7f39b8fac17c - rustc_middle[8a77eead77a7de65]::util::bug::span_bug_fmt::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   24:     0x7f39bae0a9d3 - <rustc_mir_transform[e8bf563d71c3358c]::generator::StateTransform as rustc_middle[8a77eead77a7de65]::mir::MirPass>::run_pass
[INFO] [stderr]   25:     0x7f39ba13d50f - rustc_mir_transform[e8bf563d71c3358c]::pass_manager::run_passes
[INFO] [stderr]   26:     0x7f39ba0fe4e1 - rustc_mir_transform[e8bf563d71c3358c]::optimized_mir
[INFO] [stderr]   27:     0x7f39ba6b5eb2 - rustc_query_system[ae4364215f97c5f4]::query::plumbing::try_execute_query::<rustc_query_impl[16a6d5cfc04c318]::plumbing::QueryCtxt, rustc_query_system[ae4364215f97c5f4]::query::caches::DefaultCache<rustc_span[7ad56b2a1dc47726]::def_id::DefId, &rustc_middle[8a77eead77a7de65]::mir::Body>>
[INFO] [stderr]   28:     0x7f39ba701247 - <rustc_query_impl[16a6d5cfc04c318]::Queries as rustc_middle[8a77eead77a7de65]::ty::query::QueryEngine>::optimized_mir
[INFO] [stderr]   29:     0x7f39ba7be068 - <rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::EncodeContext>::encode_crate_root
[INFO] [stderr]   30:     0x7f39bb29232f - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata_impl
[INFO] [stderr]   31:     0x7f39bb2b8971 - rustc_data_structures[bb4cd459dd765b6f]::sync::join::<rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata::{closure#0}, rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata::{closure#1}, rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::EncodedMetadata, ()>
[INFO] [stderr]   32:     0x7f39bb291b43 - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata
[INFO] [stderr]   33:     0x7f39bac65fb0 - <rustc_interface[925b183bd10502e3]::queries::Queries>::ongoing_codegen
[INFO] [stderr]   34:     0x7f39bac417dd - <rustc_interface[925b183bd10502e3]::interface::Compiler>::enter::<rustc_driver[574060610cdb6686]::run_compiler::{closure#1}::{closure#2}, core[25abe57cfe4190a5]::result::Result<core[25abe57cfe4190a5]::option::Option<rustc_interface[925b183bd10502e3]::queries::Linker>, rustc_errors[a0b4bf6c95948d12]::ErrorReported>>
[INFO] [stderr]   35:     0x7f39bac42db6 - rustc_span[7ad56b2a1dc47726]::with_source_map::<core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>, rustc_interface[925b183bd10502e3]::interface::create_compiler_and_run<core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#1}>
[INFO] [stderr]   36:     0x7f39bac40b5e - rustc_interface[925b183bd10502e3]::interface::create_compiler_and_run::<core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>
[INFO] [stderr]   37:     0x7f39bac24d5b - <scoped_tls[c72bdf8097127e02]::ScopedKey<rustc_span[7ad56b2a1dc47726]::SessionGlobals>>::set::<rustc_interface[925b183bd10502e3]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[925b183bd10502e3]::interface::run_compiler<core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>
[INFO] [stderr]   38:     0x7f39bac24b35 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[925b183bd10502e3]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[925b183bd10502e3]::interface::run_compiler<core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>
[INFO] [stderr]   39:     0x7f39bac236e9 - <<std[8ff7d40267274bc7]::thread::Builder>::spawn_unchecked_<rustc_interface[925b183bd10502e3]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[925b183bd10502e3]::interface::run_compiler<core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>, rustc_driver[574060610cdb6686]::run_compiler::{closure#1}>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#0}, core[25abe57cfe4190a5]::result::Result<(), rustc_errors[a0b4bf6c95948d12]::ErrorReported>>::{closure#1} as core[25abe57cfe4190a5]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   40:     0x7f39b8621e63 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h37fad153086c8632
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1854:9
[INFO] [stderr]   41:     0x7f39b8621e63 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h63ac285b00349412
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1854:9
[INFO] [stderr]   42:     0x7f39b8621e63 - std::sys::unix::thread::Thread::new::thread_start::ha85c370649f33522
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   43:     0x7f39b8533609 - start_thread
[INFO] [stderr]   44:     0x7f39b844d293 - clone
[INFO] [stderr]   45:                0x0 - <unknown>
[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 1.60.0-nightly (2cd6942e3 2022-01-26) 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 [optimized_mir] optimizing MIR for `SendMsg::send_msg::{closure#0}`
[INFO] [stderr] end of query stack
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat-rs` due to previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f8c6b0ea36aa5d0f26ecb465176190f60d48ab2194cacf4f3dac2d748863934f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c6b0ea36aa5d0f26ecb465176190f60d48ab2194cacf4f3dac2d748863934f", kill_on_drop: false }`
[INFO] [stdout] f8c6b0ea36aa5d0f26ecb465176190f60d48ab2194cacf4f3dac2d748863934f