[INFO] fetching crate backgeard 0.1.0...
[INFO] building backgeard-0.1.0 against try#2cd6942e35a7765b6869d3a149ca54f2598b77ad for pr-93180
[INFO] extracting crate backgeard 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate backgeard 0.1.0 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 crates.io crate backgeard 0.1.0
[INFO] finished tweaking crates.io crate backgeard 0.1.0
[INFO] tweaked toml for crates.io crate backgeard 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate backgeard 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bb1b6ed6a2be2acc3b10c0e3f86aa38400a49ba4d5cee2dff85f6ed9359374e9
[INFO] running `Command { std: "docker" "start" "-a" "bb1b6ed6a2be2acc3b10c0e3f86aa38400a49ba4d5cee2dff85f6ed9359374e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1b6ed6a2be2acc3b10c0e3f86aa38400a49ba4d5cee2dff85f6ed9359374e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1b6ed6a2be2acc3b10c0e3f86aa38400a49ba4d5cee2dff85f6ed9359374e9", kill_on_drop: false }`
[INFO] [stdout] bb1b6ed6a2be2acc3b10c0e3f86aa38400a49ba4d5cee2dff85f6ed9359374e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a43508c7c598028a2ff1d8f47e4cb5af60f0811f02fc4d499d48be729026528e
[INFO] running `Command { std: "docker" "start" "-a" "a43508c7c598028a2ff1d8f47e4cb5af60f0811f02fc4d499d48be729026528e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling backgeard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     child: Arc<Mutex<Child>>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'Box<dyn Any>', /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/compiler/rustc_errors/src/lib.rs:1103:9
[INFO] [stdout] error: internal compiler error: compiler/rustc_mir_transform/src/generator.rs:766:13: Broken MIR: generator contains type tokio::process::Child in MIR, but typeck only knows about {ResumeTy, Arc<tokio::sync::Mutex<tokio::process::ChildStdin>>, Arc<tokio::sync::Mutex<tokio::process::ChildStdout>>, Arc<tokio::sync::Mutex<tokio::process::ChildStderr>>, Arc<tokio::sync::Mutex<tokio::process::Child>>, warp::filter::map::Map<impl warp::filter::FilterBase<Extract = (), Error = Rejection> + warp::Filter + std::marker::Copy, [closure@src/main.rs:40:39: 40:71]>, warp::filter::or::Or<warp::filter::map::Map<impl warp::filter::FilterBase<Extract = (), Error = Rejection> + warp::Filter + std::marker::Copy, [closure@src/main.rs:40:39: 40:71]>, warp::filter::map::Map<warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<warp::filter::and::And<Exact<warp::path::internal::Opaque<&str>>, impl warp::filter::FilterBase<Extract = (Ws,), Error = Rejection> + warp::Filter + std::marker::Copy>, warp::filter::map::Map<impl warp::filter::FilterBase<Extract = (), Error = Infallible> + warp::Filter + std::marker::Copy, [closure@src/main.rs:32:30: 32:51]>>, warp::filter::map::Map<impl warp::filter::FilterBase<Extract = (), Error = Infallible> + warp::Filter + std::marker::Copy, [closure@src/main.rs:33:30: 33:51]>>, warp::filter::map::Map<impl warp::filter::FilterBase<Extract = (), Error = Infallible> + warp::Filter + std::marker::Copy, [closure@src/main.rs:34:30: 34:52]>>, warp::filter::map::Map<impl warp::filter::FilterBase<Extract = (), Error = Infallible> + warp::Filter + std::marker::Copy, [closure@src/main.rs:35:30: 35:52]>>, [closure@src/main.rs:36:14: 39:10]>>, u8, [u8; 4], u16, ([u8; 4], u16), impl futures::Future<Output = ()>, ()} and []
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[tokio::main]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error: internal compiler error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f603e2c267c - 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:     0x7f603e2c267c - 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:     0x7f603e2c267c - std::sys_common::backtrace::_print_fmt::hc7fce0f2bad6b4e5
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f603e2c267c - <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:     0x7f603e32385c - core::fmt::write::h14b56021008c8193
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/core/src/fmt/mod.rs:1168:17
[INFO] [stderr]    5:     0x7f603e2b1c23 - std::io::Write::write_fmt::h00903ac5c84da4ab
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/io/mod.rs:1653:15
[INFO] [stderr]    6:     0x7f603e2c6aa2 - std::sys_common::backtrace::_print::h520cdd5f2e9c382b
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f603e2c6aa2 - std::sys_common::backtrace::print::hc31c18dd3d9e99d7
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f603e2c6aa2 - std::panicking::default_hook::{{closure}}::h2b4911050a1d8d19
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:290:50
[INFO] [stderr]    9:     0x7f603e2c6685 - std::panicking::default_hook::hd9ee213c07ceee82
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:307:9
[INFO] [stderr]   10:     0x7f603eaa3f91 - rustc_driver[574060610cdb6686]::DEFAULT_HOOK::{closure#0}::{closure#0}
[INFO] [stderr]   11:     0x7f602e2dc9c3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h98d77d24527ac24c
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/alloc/src/boxed.rs:1868:9
[INFO] [stderr]   12:     0x7f602e2d83dc - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h91430081a525c17d
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/proc_macro/src/bridge/client.rs:319:21
[INFO] [stderr]   13:     0x7f602e2e7d00 - std::panicking::update_hook::{{closure}}::h9956436b8e5cc041
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:257:41
[INFO] [stderr]   14:     0x7f603e2c72bb - std::panicking::rust_panic_with_hook::hf221ce82965f4abb
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:695:17
[INFO] [stderr]   15:     0x7f603ed1a1d1 - std[8ff7d40267274bc7]::panicking::begin_panic::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>::{closure#0}
[INFO] [stderr]   16:     0x7f603ed19d76 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_end_short_backtrace::<std[8ff7d40267274bc7]::panicking::begin_panic<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   17:     0x7f603ec803ff - std[8ff7d40267274bc7]::panicking::begin_panic::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>
[INFO] [stderr]   18:     0x7f603ecfaf5d - std[8ff7d40267274bc7]::panic::panic_any::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>
[INFO] [stderr]   19:     0x7f603ecf78c8 - <rustc_errors[a0b4bf6c95948d12]::HandlerInner>::span_bug::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   20:     0x7f603ecf7680 - <rustc_errors[a0b4bf6c95948d12]::Handler>::span_bug::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   21:     0x7f603ec5d0f8 - 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:     0x7f603ec5d1b0 - rustc_middle[8a77eead77a7de65]::util::bug::opt_span_bug_fmt::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   23:     0x7f603ec5d17c - rustc_middle[8a77eead77a7de65]::util::bug::span_bug_fmt::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   24:     0x7f6040abb9d3 - <rustc_mir_transform[e8bf563d71c3358c]::generator::StateTransform as rustc_middle[8a77eead77a7de65]::mir::MirPass>::run_pass
[INFO] [stderr]   25:     0x7f603fdee50f - rustc_mir_transform[e8bf563d71c3358c]::pass_manager::run_passes
[INFO] [stderr]   26:     0x7f603fdaf4e1 - rustc_mir_transform[e8bf563d71c3358c]::optimized_mir
[INFO] [stderr]   27:     0x7f6040366eb2 - 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:     0x7f60403b2247 - <rustc_query_impl[16a6d5cfc04c318]::Queries as rustc_middle[8a77eead77a7de65]::ty::query::QueryEngine>::optimized_mir
[INFO] [stderr]   29:     0x7f603fa2ee12 - <rustc_middle[8a77eead77a7de65]::ty::context::TyCtxt>::generator_layout
[INFO] [stderr]   30:     0x7f60408072af - <rustc_middle[8a77eead77a7de65]::ty::layout::LayoutCx<rustc_middle[8a77eead77a7de65]::ty::context::TyCtxt>>::layout_of_uncached
[INFO] [stderr]   31:     0x7f604080f17a - rustc_middle[8a77eead77a7de65]::ty::layout::layout_of
[INFO] [stderr]   32:     0x7f6040399f12 - rustc_query_system[ae4364215f97c5f4]::query::plumbing::get_query::<rustc_query_impl[16a6d5cfc04c318]::queries::layout_of, rustc_query_impl[16a6d5cfc04c318]::plumbing::QueryCtxt>
[INFO] [stderr]   33:     0x7f60403bdd0a - <rustc_query_impl[16a6d5cfc04c318]::Queries as rustc_middle[8a77eead77a7de65]::ty::query::QueryEngine>::layout_of
[INFO] [stderr]   34:     0x7f6040835f68 - core[25abe57cfe4190a5]::iter::adapters::process_results::<core[25abe57cfe4190a5]::iter::adapters::map::Map<core[25abe57cfe4190a5]::slice::iter::Iter<rustc_middle[8a77eead77a7de65]::ty::FieldDef>, <rustc_middle[8a77eead77a7de65]::ty::layout::LayoutCx<rustc_middle[8a77eead77a7de65]::ty::context::TyCtxt>>::layout_of_uncached::{closure#5}::{closure#0}>, rustc_target[1eda696444af1ff]::abi::TyAndLayout<&rustc_middle[8a77eead77a7de65]::ty::TyS>, rustc_middle[8a77eead77a7de65]::ty::layout::LayoutError, <core[25abe57cfe4190a5]::result::Result<alloc[7db2980217c62220]::vec::Vec<rustc_target[1eda696444af1ff]::abi::TyAndLayout<&rustc_middle[8a77eead77a7de65]::ty::TyS>>, rustc_middle[8a77eead77a7de65]::ty::layout::LayoutError> as core[25abe57cfe4190a5]::iter::traits::collect::FromIterator<core[25abe57cfe4190a5]::result::Result<rustc_target[1eda696444af1ff]::abi::TyAndLayout<&rustc_middle[8a77eead77a7de65]::ty::TyS>, rustc_middle[8a77eead77a7de65]::ty::layout::LayoutError>>>::from_iter<core[25abe57cfe4190a5]::iter::adapters::map::Map<core[25abe57cfe4190a5]::slice::iter::Iter<rustc_middle[8a77eead77a7de65]::ty::FieldDef>, <rustc_middle[8a77eead77a7de65]::ty::layout::LayoutCx<rustc_middle[8a77eead77a7de65]::ty::context::TyCtxt>>::layout_of_uncached::{closure#5}::{closure#0}>>::{closure#0}, alloc[7db2980217c62220]::vec::Vec<rustc_target[1eda696444af1ff]::abi::TyAndLayout<&rustc_middle[8a77eead77a7de65]::ty::TyS>>>
[INFO] [stderr]   35:     0x7f60408019bd - <rustc_middle[8a77eead77a7de65]::ty::layout::LayoutCx<rustc_middle[8a77eead77a7de65]::ty::context::TyCtxt>>::layout_of_uncached
[INFO] [stderr]   36:     0x7f604080f17a - rustc_middle[8a77eead77a7de65]::ty::layout::layout_of
[INFO] [stderr]   37:     0x7f6040399f12 - rustc_query_system[ae4364215f97c5f4]::query::plumbing::get_query::<rustc_query_impl[16a6d5cfc04c318]::queries::layout_of, rustc_query_impl[16a6d5cfc04c318]::plumbing::QueryCtxt>
[INFO] [stderr]   38:     0x7f60403bdd0a - <rustc_query_impl[16a6d5cfc04c318]::Queries as rustc_middle[8a77eead77a7de65]::ty::query::QueryEngine>::layout_of
[INFO] [stderr]   39:     0x7f604080fe4f - rustc_middle[8a77eead77a7de65]::ty::layout::layout_of
[INFO] [stderr]   40:     0x7f6040399f12 - rustc_query_system[ae4364215f97c5f4]::query::plumbing::get_query::<rustc_query_impl[16a6d5cfc04c318]::queries::layout_of, rustc_query_impl[16a6d5cfc04c318]::plumbing::QueryCtxt>
[INFO] [stderr]   41:     0x7f60403bdd0a - <rustc_query_impl[16a6d5cfc04c318]::Queries as rustc_middle[8a77eead77a7de65]::ty::query::QueryEngine>::layout_of
[INFO] [stderr]   42:     0x7f603fdc5906 - <rustc_mir_transform[e8bf563d71c3358c]::const_prop::ConstProp as rustc_middle[8a77eead77a7de65]::mir::MirPass>::run_pass
[INFO] [stderr]   43:     0x7f603fdee50f - rustc_mir_transform[e8bf563d71c3358c]::pass_manager::run_passes
[INFO] [stderr]   44:     0x7f603fdaf8d1 - rustc_mir_transform[e8bf563d71c3358c]::optimized_mir
[INFO] [stderr]   45:     0x7f6040366eb2 - 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]   46:     0x7f60403b2247 - <rustc_query_impl[16a6d5cfc04c318]::Queries as rustc_middle[8a77eead77a7de65]::ty::query::QueryEngine>::optimized_mir
[INFO] [stderr]   47:     0x7f60407cc9c6 - <rustc_middle[8a77eead77a7de65]::ty::context::TyCtxt>::instance_mir
[INFO] [stderr]   48:     0x7f603fd7d806 - rustc_monomorphize[d443c1900dbcbba2]::collector::collect_neighbours
[INFO] [stderr]   49:     0x7f603fd793d6 - rustc_monomorphize[d443c1900dbcbba2]::collector::collect_items_rec
[INFO] [stderr]   50:     0x7f6040a9e9da - <rustc_session[721e5fa15336b6e9]::session::Session>::time::<(), rustc_monomorphize[d443c1900dbcbba2]::collector::collect_crate_mono_items::{closure#1}>
[INFO] [stderr]   51:     0x7f6040a9ba51 - rustc_monomorphize[d443c1900dbcbba2]::collector::collect_crate_mono_items
[INFO] [stderr]   52:     0x7f6040aa32d6 - rustc_monomorphize[d443c1900dbcbba2]::partitioning::collect_and_partition_mono_items
[INFO] [stderr]   53:     0x7f6040db29eb - rustc_query_system[ae4364215f97c5f4]::query::plumbing::try_execute_query::<rustc_query_impl[16a6d5cfc04c318]::plumbing::QueryCtxt, rustc_query_system[ae4364215f97c5f4]::query::caches::DefaultCache<(), (&std[8ff7d40267274bc7]::collections::hash::set::HashSet<rustc_span[7ad56b2a1dc47726]::def_id::DefId, core[25abe57cfe4190a5]::hash::BuildHasherDefault<rustc_hash[9d80bdde62a5652b]::FxHasher>>, &[rustc_middle[8a77eead77a7de65]::mir::mono::CodegenUnit])>>
[INFO] [stderr]   54:     0x7f6040de6ef0 - rustc_query_system[ae4364215f97c5f4]::query::plumbing::get_query::<rustc_query_impl[16a6d5cfc04c318]::queries::collect_and_partition_mono_items, rustc_query_impl[16a6d5cfc04c318]::plumbing::QueryCtxt>
[INFO] [stderr]   55:     0x7f6040e0c2ae - <rustc_query_impl[16a6d5cfc04c318]::Queries as rustc_middle[8a77eead77a7de65]::ty::query::QueryEngine>::collect_and_partition_mono_items
[INFO] [stderr]   56:     0x7f6040978202 - rustc_codegen_ssa[dd388e5cb94d8695]::base::codegen_crate::<rustc_codegen_llvm[37592b3825cd07b4]::LlvmCodegenBackend>
[INFO] [stderr]   57:     0x7f6040988eda - <rustc_codegen_llvm[37592b3825cd07b4]::LlvmCodegenBackend as rustc_codegen_ssa[dd388e5cb94d8695]::traits::backend::CodegenBackend>::codegen_crate
[INFO] [stderr]   58:     0x7f6040934367 - <rustc_session[721e5fa15336b6e9]::session::Session>::time::<alloc[7db2980217c62220]::boxed::Box<dyn core[25abe57cfe4190a5]::any::Any>, rustc_interface[925b183bd10502e3]::passes::start_codegen::{closure#0}>
[INFO] [stderr]   59:     0x7f6040917319 - <rustc_interface[925b183bd10502e3]::queries::Queries>::ongoing_codegen
[INFO] [stderr]   60:     0x7f60408f27dd - <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]   61:     0x7f60408f3db6 - 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]   62:     0x7f60408f1b5e - 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]   63:     0x7f60408d5d5b - <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]   64:     0x7f60408d5b35 - 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]   65:     0x7f60408d46e9 - <<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]   66:     0x7f603e2d2e63 - <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]   67:     0x7f603e2d2e63 - <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]   68:     0x7f603e2d2e63 - 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]   69:     0x7f603e1e4609 - start_thread
[INFO] [stderr]   70:     0x7f603e0fe293 - clone
[INFO] [stderr]   71:                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 bin
[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 `main::{closure#0}`
[INFO] [stderr] #1 [layout_of] computing layout of `[static generator@src/main.rs:12:1: 12:15]`
[INFO] [stderr] #2 [layout_of] computing layout of `core::future::from_generator::GenFuture<[static generator@src/main.rs:12:1: 12:15]>`
[INFO] [stderr] #3 [layout_of] computing layout of `impl core::future::future::Future<Output = [async output]>`
[INFO] [stderr] #4 [optimized_mir] optimizing MIR for `main`
[INFO] [stderr] #5 [collect_and_partition_mono_items] collect_and_partition_mono_items
[INFO] [stderr] end of query stack
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `backgeard` due to previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a43508c7c598028a2ff1d8f47e4cb5af60f0811f02fc4d499d48be729026528e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43508c7c598028a2ff1d8f47e4cb5af60f0811f02fc4d499d48be729026528e", kill_on_drop: false }`
[INFO] [stdout] a43508c7c598028a2ff1d8f47e4cb5af60f0811f02fc4d499d48be729026528e