[INFO] fetching crate viaspf 0.4.1-alpha.2...
[INFO] building viaspf-0.4.1-alpha.2 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate viaspf 0.4.1-alpha.2 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate viaspf 0.4.1-alpha.2 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate viaspf 0.4.1-alpha.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate viaspf 0.4.1-alpha.2
[INFO] tweaked toml for crates.io crate viaspf 0.4.1-alpha.2 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate viaspf 0.4.1-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c13c19ba69578e50ccec5315092b7651318cadccde5efab7fcc76ff948a1e03
[INFO] running `Command { std: "docker" "start" "-a" "2c13c19ba69578e50ccec5315092b7651318cadccde5efab7fcc76ff948a1e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c13c19ba69578e50ccec5315092b7651318cadccde5efab7fcc76ff948a1e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c13c19ba69578e50ccec5315092b7651318cadccde5efab7fcc76ff948a1e03", kill_on_drop: false }`
[INFO] [stdout] 2c13c19ba69578e50ccec5315092b7651318cadccde5efab7fcc76ff948a1e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f793b551b66593f13080fe63a74e211a9ea8dfc44eb61eb64474d07aff8c109
[INFO] running `Command { std: "docker" "start" "-a" "0f793b551b66593f13080fe63a74e211a9ea8dfc44eb61eb64474d07aff8c109", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling viaspf-record v0.4.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tokio v1.18.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling viaspf v0.4.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: internal compiler error: compiler/rustc_mir_transform/src/generator.rs:753:13: Broken MIR: generator contains type &mut String in MIR, but typeck only knows about {ResumeTy, &ExplainString, &mut Query, &Resolver, String, std::slice::Iter<ExplainStringSegment>, Option<&ExplainStringSegment>, &ExplainStringSegment, &viaspf_record::MacroString, Pin<Box<dyn Future<Output = Result<String, EvalError>> + Send>>, (), Result<String, EvalError>, ControlFlow<Result<Infallible, EvalError>, String>, &str, &String} and [&viaspf_record::ExplainString, &mut eval::query::Query, &eval::query::Resolver]
[INFO] [stdout]   --> src/eval/macros.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |       ) -> EvalResult<String> {
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 82 | |         trace!(query, Tracepoint::ExpandExplainString(self.clone()));
[INFO] [stdout] 83 | |
[INFO] [stdout] 84 | |         let mut result = String::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |         Ok(result)
[INFO] [stdout] 96 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'Box<dyn Any>', /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/compiler/rustc_errors/src/lib.rs:1274:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7fd19fa61f4d - std::backtrace_rs::backtrace::libunwind::trace::h48663e6e02482f77
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]    1:     0x7fd19fa61f4d - std::backtrace_rs::backtrace::trace_unsynchronized::hd59d5365552a1436
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7fd19fa61f4d - std::sys_common::backtrace::_print_fmt::ha78e5f373355cd4a
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]    3:     0x7fd19fa61f4d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1b6548c67a95d5a1
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]    4:     0x7fd19fabdaac - core::fmt::write::hca7ee89651358f58
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/core/src/fmt/mod.rs:1196:17
[INFO] [stderr]    5:     0x7fd19fa536e1 - std::io::Write::write_fmt::h4bbc99e2a7952e78
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/io/mod.rs:1654:15
[INFO] [stderr]    6:     0x7fd19fa64c35 - std::sys_common::backtrace::_print::h26a0e5520b381b04
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]    7:     0x7fd19fa64c35 - std::sys_common::backtrace::print::h743a45291d5f39cc
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]    8:     0x7fd19fa64c35 - std::panicking::default_hook::{{closure}}::hf1e2b39dfd75cbc2
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/panicking.rs:295:22
[INFO] [stderr]    9:     0x7fd19fa64956 - std::panicking::default_hook::h347898a158e52020
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/panicking.rs:314:9
[INFO] [stderr]   10:     0x7fd1a022bd11 - rustc_driver[2c8e23c1704d1846]::DEFAULT_HOOK::{closure#0}::{closure#0}
[INFO] [stderr]   11:     0x7fd191974a83 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::heb615de2ae638b55
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/alloc/src/boxed.rs:1886:9
[INFO] [stderr]   12:     0x7fd19197161d - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::hadcebfaaad3291d3
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/proc_macro/src/bridge/client.rs:335:21
[INFO] [stderr]   13:     0x7fd19fa6530a - std::panicking::rust_panic_with_hook::h3cc7233c1fa5669e
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/panicking.rs:702:17
[INFO] [stderr]   14:     0x7fd1a03f3cf1 - std[23f59d9749713536]::panicking::begin_panic::<rustc_errors[4317dacdbe7ee454]::ExplicitBug>::{closure#0}
[INFO] [stderr]   15:     0x7fd1a03f0296 - std[23f59d9749713536]::sys_common::backtrace::__rust_end_short_backtrace::<std[23f59d9749713536]::panicking::begin_panic<rustc_errors[4317dacdbe7ee454]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   16:     0x7fd1a0406946 - std[23f59d9749713536]::panicking::begin_panic::<rustc_errors[4317dacdbe7ee454]::ExplicitBug>
[INFO] [stderr]   17:     0x7fd1a03ef546 - std[23f59d9749713536]::panic::panic_any::<rustc_errors[4317dacdbe7ee454]::ExplicitBug>
[INFO] [stderr]   18:     0x7fd1a03ed5a1 - <rustc_errors[4317dacdbe7ee454]::HandlerInner>::span_bug::<rustc_span[e0494e7a78d29b23]::span_encoding::Span, &alloc[444af299f81eecf5]::string::String>
[INFO] [stderr]   19:     0x7fd1a03ec9b0 - <rustc_errors[4317dacdbe7ee454]::Handler>::span_bug::<rustc_span[e0494e7a78d29b23]::span_encoding::Span, &alloc[444af299f81eecf5]::string::String>
[INFO] [stderr]   20:     0x7fd1a043cfb8 - rustc_middle[8b88f8a0f89f93bb]::ty::context::tls::with_opt::<rustc_middle[8b88f8a0f89f93bb]::util::bug::opt_span_bug_fmt<rustc_span[e0494e7a78d29b23]::span_encoding::Span>::{closure#0}, ()>
[INFO] [stderr]   21:     0x7fd1a043cb86 - rustc_middle[8b88f8a0f89f93bb]::util::bug::opt_span_bug_fmt::<rustc_span[e0494e7a78d29b23]::span_encoding::Span>
[INFO] [stderr]   22:     0x7fd1a043cb44 - rustc_middle[8b88f8a0f89f93bb]::util::bug::span_bug_fmt::<rustc_span[e0494e7a78d29b23]::span_encoding::Span>
[INFO] [stderr]   23:     0x7fd1a16412aa - <rustc_mir_transform[63cdf027e05c8c75]::generator::StateTransform as rustc_middle[8b88f8a0f89f93bb]::mir::MirPass>::run_pass
[INFO] [stderr]   24:     0x7fd1a16324d0 - rustc_mir_transform[63cdf027e05c8c75]::pass_manager::run_passes
[INFO] [stderr]   25:     0x7fd1a1686eed - rustc_mir_transform[63cdf027e05c8c75]::optimized_mir
[INFO] [stderr]   26:     0x7fd1a1d3c5c7 - rustc_query_system[8f6ed9285397c37a]::query::plumbing::try_execute_query::<rustc_query_impl[362fa764a08dc22]::plumbing::QueryCtxt, rustc_query_system[8f6ed9285397c37a]::query::caches::DefaultCache<rustc_span[e0494e7a78d29b23]::def_id::DefId, &rustc_middle[8b88f8a0f89f93bb]::mir::Body>>
[INFO] [stderr]   27:     0x7fd1a1d07b5e - <rustc_query_impl[362fa764a08dc22]::Queries as rustc_middle[8b88f8a0f89f93bb]::ty::query::QueryEngine>::optimized_mir
[INFO] [stderr]   28:     0x7fd1a1dcb942 - <rustc_metadata[fbfa442e55eb5e9c]::rmeta::encoder::EncodeContext>::encode_crate_root
[INFO] [stderr]   29:     0x7fd1a293848a - rustc_metadata[fbfa442e55eb5e9c]::rmeta::encoder::encode_metadata_impl
[INFO] [stderr]   30:     0x7fd1a2951911 - rustc_data_structures[10bde15a730ca175]::sync::join::<rustc_metadata[fbfa442e55eb5e9c]::rmeta::encoder::encode_metadata::{closure#0}, rustc_metadata[fbfa442e55eb5e9c]::rmeta::encoder::encode_metadata::{closure#1}, rustc_metadata[fbfa442e55eb5e9c]::rmeta::encoder::EncodedMetadata, ()>
[INFO] [stderr]   31:     0x7fd1a2937c06 - rustc_metadata[fbfa442e55eb5e9c]::rmeta::encoder::encode_metadata
[INFO] [stderr]   32:     0x7fd1a22e6034 - <rustc_interface[b04e2cdf424baf9e]::passes::QueryContext>::enter::<<rustc_interface[b04e2cdf424baf9e]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[d4370e29f295d5d]::result::Result<alloc[444af299f81eecf5]::boxed::Box<dyn core[d4370e29f295d5d]::any::Any>, rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>>
[INFO] [stderr]   33:     0x7fd1a230a46f - <rustc_interface[b04e2cdf424baf9e]::queries::Queries>::ongoing_codegen
[INFO] [stderr]   34:     0x7fd1a22b2deb - <rustc_interface[b04e2cdf424baf9e]::interface::Compiler>::enter::<rustc_driver[2c8e23c1704d1846]::run_compiler::{closure#1}::{closure#2}, core[d4370e29f295d5d]::result::Result<core[d4370e29f295d5d]::option::Option<rustc_interface[b04e2cdf424baf9e]::queries::Linker>, rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>>
[INFO] [stderr]   35:     0x7fd1a22db5af - rustc_span[e0494e7a78d29b23]::with_source_map::<core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>, rustc_interface[b04e2cdf424baf9e]::interface::create_compiler_and_run<core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>, rustc_driver[2c8e23c1704d1846]::run_compiler::{closure#1}>::{closure#1}>
[INFO] [stderr]   36:     0x7fd1a22c6d94 - rustc_interface[b04e2cdf424baf9e]::interface::create_compiler_and_run::<core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>, rustc_driver[2c8e23c1704d1846]::run_compiler::{closure#1}>
[INFO] [stderr]   37:     0x7fd1a22b12b2 - <scoped_tls[941ee80d8231eb23]::ScopedKey<rustc_span[e0494e7a78d29b23]::SessionGlobals>>::set::<rustc_interface[b04e2cdf424baf9e]::interface::run_compiler<core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>, rustc_driver[2c8e23c1704d1846]::run_compiler::{closure#1}>::{closure#0}, core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>>
[INFO] [stderr]   38:     0x7fd1a22c837f - std[23f59d9749713536]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[b04e2cdf424baf9e]::util::run_in_thread_pool_with_globals<rustc_interface[b04e2cdf424baf9e]::interface::run_compiler<core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>, rustc_driver[2c8e23c1704d1846]::run_compiler::{closure#1}>::{closure#0}, core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>>::{closure#0}, core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>>
[INFO] [stderr]   39:     0x7fd1a22c84b9 - <<std[23f59d9749713536]::thread::Builder>::spawn_unchecked_<rustc_interface[b04e2cdf424baf9e]::util::run_in_thread_pool_with_globals<rustc_interface[b04e2cdf424baf9e]::interface::run_compiler<core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>, rustc_driver[2c8e23c1704d1846]::run_compiler::{closure#1}>::{closure#0}, core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>>::{closure#0}, core[d4370e29f295d5d]::result::Result<(), rustc_errors[4317dacdbe7ee454]::ErrorGuaranteed>>::{closure#1} as core[d4370e29f295d5d]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   40:     0x7fd19fa6f223 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hae8ffeec5cb662e2
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/alloc/src/boxed.rs:1872:9
[INFO] [stderr]   41:     0x7fd19fa6f223 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1b179c7aca9d8b98
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/alloc/src/boxed.rs:1872:9
[INFO] [stderr]   42:     0x7fd19fa6f223 - std::sys::unix::thread::Thread::new::thread_start::h3faf721b71afff7d
[INFO] [stderr]                                at /rustc/615edd3ad1cf6871c977dc900317cb6c2070fd6b/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   43:     0x7fd19f97c609 - start_thread
[INFO] [stderr]   44:     0x7fd19f895133 - 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 1.63.0-nightly (615edd3ad 2022-05-23) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2
[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 `eval::macros::<impl at src/eval/macros.rs:76:1: 97:2>::evaluate_to_string::{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 `viaspf` due to previous error
[INFO] running `Command { std: "docker" "inspect" "0f793b551b66593f13080fe63a74e211a9ea8dfc44eb61eb64474d07aff8c109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f793b551b66593f13080fe63a74e211a9ea8dfc44eb61eb64474d07aff8c109", kill_on_drop: false }`
[INFO] [stdout] 0f793b551b66593f13080fe63a74e211a9ea8dfc44eb61eb64474d07aff8c109