[INFO] fetching crate bb8-memcached 0.4.0...
[INFO] building bb8-memcached-0.4.0 against try#2cd6942e35a7765b6869d3a149ca54f2598b77ad for pr-93180
[INFO] extracting crate bb8-memcached 0.4.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate bb8-memcached 0.4.0 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 bb8-memcached 0.4.0
[INFO] finished tweaking crates.io crate bb8-memcached 0.4.0
[INFO] tweaked toml for crates.io crate bb8-memcached 0.4.0 written to /workspace/builds/worker-40/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 memcache-async v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] a2a651984842a61af579103f1344e95651c073c8d580ea3b5ec85518f2e98bfa
[INFO] running `Command { std: "docker" "start" "-a" "a2a651984842a61af579103f1344e95651c073c8d580ea3b5ec85518f2e98bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2a651984842a61af579103f1344e95651c073c8d580ea3b5ec85518f2e98bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a651984842a61af579103f1344e95651c073c8d580ea3b5ec85518f2e98bfa", kill_on_drop: false }`
[INFO] [stdout] a2a651984842a61af579103f1344e95651c073c8d580ea3b5ec85518f2e98bfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] d26ec9edf17193d3d83fb7a5498f59f10d0e90a798708e9892491ab5daad9aac
[INFO] running `Command { std: "docker" "start" "-a" "d26ec9edf17193d3d83fb7a5498f59f10d0e90a798708e9892491ab5daad9aac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling bb8 v0.7.1
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling memcache-async v0.6.1
[INFO] [stdout] error: internal compiler error: compiler/rustc_mir_transform/src/generator.rs:766:13: Broken MIR: generator contains type &mut S in MIR, but typeck only knows about {ResumeTy, &mut Protocol<S>, &[K], &str, &[u8], WriteAll<S>, (), std::slice::Iter<K>, Option<&K>, &K, &[u8; 1], futures::io::Write<S>, &[u8; 2], futures::io::Flush<S>, impl futures::Future<Output = Result<HashMap<String, Vec<u8>>, std::io::Error>>} and [&mut ascii::Protocol<S>, &[K]]
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/memcache-async-0.6.1/src/ascii.rs:63:50
[INFO] [stdout]    |
[INFO] [stdout] 63 |       ) -> Result<HashMap<String, Vec<u8>>, Error> {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 64 | |         // Send command
[INFO] [stdout] 65 | |         let writer = self.io.get_mut();
[INFO] [stdout] 66 | |         writer.write_all("get".as_bytes()).await?;
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         self.read_many_values().await
[INFO] [stdout] 76 | |     }
[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:     0x7f4ec70f967c - 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:     0x7f4ec70f967c - 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:     0x7f4ec70f967c - std::sys_common::backtrace::_print_fmt::hc7fce0f2bad6b4e5
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f4ec70f967c - <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:     0x7f4ec715a85c - core::fmt::write::h14b56021008c8193
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/core/src/fmt/mod.rs:1168:17
[INFO] [stderr]    5:     0x7f4ec70e8c23 - std::io::Write::write_fmt::h00903ac5c84da4ab
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/io/mod.rs:1653:15
[INFO] [stderr]    6:     0x7f4ec70fdaa2 - std::sys_common::backtrace::_print::h520cdd5f2e9c382b
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f4ec70fdaa2 - std::sys_common::backtrace::print::hc31c18dd3d9e99d7
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f4ec70fdaa2 - std::panicking::default_hook::{{closure}}::h2b4911050a1d8d19
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:290:50
[INFO] [stderr]    9:     0x7f4ec70fd685 - std::panicking::default_hook::hd9ee213c07ceee82
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:307:9
[INFO] [stderr]   10:     0x7f4ec78daf91 - rustc_driver[574060610cdb6686]::DEFAULT_HOOK::{closure#0}::{closure#0}
[INFO] [stderr]   11:     0x7f4ec70fe2bb - std::panicking::rust_panic_with_hook::hf221ce82965f4abb
[INFO] [stderr]                                at /rustc/2cd6942e35a7765b6869d3a149ca54f2598b77ad/library/std/src/panicking.rs:695:17
[INFO] [stderr]   12:     0x7f4ec7b511d1 - std[8ff7d40267274bc7]::panicking::begin_panic::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>::{closure#0}
[INFO] [stderr]   13:     0x7f4ec7b50d76 - std[8ff7d40267274bc7]::sys_common::backtrace::__rust_end_short_backtrace::<std[8ff7d40267274bc7]::panicking::begin_panic<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   14:     0x7f4ec7ab73ff - std[8ff7d40267274bc7]::panicking::begin_panic::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>
[INFO] [stderr]   15:     0x7f4ec7b31f5d - std[8ff7d40267274bc7]::panic::panic_any::<rustc_errors[a0b4bf6c95948d12]::ExplicitBug>
[INFO] [stderr]   16:     0x7f4ec7b2e8c8 - <rustc_errors[a0b4bf6c95948d12]::HandlerInner>::span_bug::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   17:     0x7f4ec7b2e680 - <rustc_errors[a0b4bf6c95948d12]::Handler>::span_bug::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   18:     0x7f4ec7a940f8 - 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]   19:     0x7f4ec7a941b0 - rustc_middle[8a77eead77a7de65]::util::bug::opt_span_bug_fmt::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   20:     0x7f4ec7a9417c - rustc_middle[8a77eead77a7de65]::util::bug::span_bug_fmt::<rustc_span[7ad56b2a1dc47726]::span_encoding::Span>
[INFO] [stderr]   21:     0x7f4ec98f29d3 - <rustc_mir_transform[e8bf563d71c3358c]::generator::StateTransform as rustc_middle[8a77eead77a7de65]::mir::MirPass>::run_pass
[INFO] [stderr]   22:     0x7f4ec8c2550f - rustc_mir_transform[e8bf563d71c3358c]::pass_manager::run_passes
[INFO] [stderr]   23:     0x7f4ec8be64e1 - rustc_mir_transform[e8bf563d71c3358c]::optimized_mir
[INFO] [stderr]   24:     0x7f4ec919deb2 - 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]   25:     0x7f4ec91e9247 - <rustc_query_impl[16a6d5cfc04c318]::Queries as rustc_middle[8a77eead77a7de65]::ty::query::QueryEngine>::optimized_mir
[INFO] [stderr]   26:     0x7f4ec92a6068 - <rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::EncodeContext>::encode_crate_root
[INFO] [stderr]   27:     0x7f4ec9d7a32f - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata_impl
[INFO] [stderr]   28:     0x7f4ec9da0971 - 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]   29:     0x7f4ec9d79b43 - rustc_metadata[fc8776039bfe24ae]::rmeta::encoder::encode_metadata
[INFO] [stderr]   30:     0x7f4ec974dfb0 - <rustc_interface[925b183bd10502e3]::queries::Queries>::ongoing_codegen
[INFO] [stderr]   31:     0x7f4ec97297dd - <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]   32:     0x7f4ec972adb6 - 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]   33:     0x7f4ec9728b5e - 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]   34:     0x7f4ec970cd5b - <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]   35:     0x7f4ec970cb35 - 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]   36:     0x7f4ec970b6e9 - <<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]   37:     0x7f4ec7109e63 - <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]   38:     0x7f4ec7109e63 - <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]   39:     0x7f4ec7109e63 - 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]   40:     0x7f4ec701b609 - start_thread
[INFO] [stderr]   41:     0x7f4ec6f35293 - clone
[INFO] [stderr]   42:                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 `ascii::<impl at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/memcache-async-0.6.1/src/ascii.rs:13:1: 226:2>::get_multi::{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 `memcache-async` due to previous error
[INFO] running `Command { std: "docker" "inspect" "d26ec9edf17193d3d83fb7a5498f59f10d0e90a798708e9892491ab5daad9aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26ec9edf17193d3d83fb7a5498f59f10d0e90a798708e9892491ab5daad9aac", kill_on_drop: false }`
[INFO] [stdout] d26ec9edf17193d3d83fb7a5498f59f10d0e90a798708e9892491ab5daad9aac