[INFO] fetching crate nommy 0.4.1...
[INFO] testing nommy-0.4.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate nommy 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nommy 0.4.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nommy 0.4.1
[INFO] finished tweaking crates.io crate nommy 0.4.1
[INFO] tweaked toml for crates.io crate nommy 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nommy_derive v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d822aeadbfd0919dea28144044bc916556662593ed64c70e0cde423d69c8cf29
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d822aeadbfd0919dea28144044bc916556662593ed64c70e0cde423d69c8cf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d822aeadbfd0919dea28144044bc916556662593ed64c70e0cde423d69c8cf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d822aeadbfd0919dea28144044bc916556662593ed64c70e0cde423d69c8cf29", kill_on_drop: false }`
[INFO] [stdout] d822aeadbfd0919dea28144044bc916556662593ed64c70e0cde423d69c8cf29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 634f029a27d6c874a6847f1e6af3f242c65915037789b79c5f71005508ce3fa7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "634f029a27d6c874a6847f1e6af3f242c65915037789b79c5f71005508ce3fa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nommy_derive v0.4.1
[INFO] [stderr]    Compiling nommy v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "634f029a27d6c874a6847f1e6af3f242c65915037789b79c5f71005508ce3fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634f029a27d6c874a6847f1e6af3f242c65915037789b79c5f71005508ce3fa7", kill_on_drop: false }`
[INFO] [stdout] 634f029a27d6c874a6847f1e6af3f242c65915037789b79c5f71005508ce3fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71a9ca8d5ef30674620b5071dc9e255cacd5e953b41106f7ac7cc9f606974be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f71a9ca8d5ef30674620b5071dc9e255cacd5e953b41106f7ac7cc9f606974be", kill_on_drop: false }`
[INFO] [stderr]    Compiling nommy v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1035:9
[INFO] [stdout] error: internal compiler error: /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/compiler/rustc_middle/src/ty/consts.rs:195:32: expected bits of &str, got Const {
[INFO] [stdout]     ty: &str,
[INFO] [stdout]     val: Value(
[INFO] [stdout]         Slice {
[INFO] [stdout]             data: Allocation {
[INFO] [stdout]                 bytes: [
[INFO] [stdout]                     46,
[INFO] [stdout]                 ],
[INFO] [stdout]                 relocations: Relocations(
[INFO] [stdout]                     SortedMap {
[INFO] [stdout]                         data: [],
[INFO] [stdout]                     },
[INFO] [stdout]                 ),
[INFO] [stdout]                 init_mask: InitMask {
[INFO] [stdout]                     blocks: [
[INFO] [stdout]                         1,
[INFO] [stdout]                     ],
[INFO] [stdout]                     len: Size {
[INFO] [stdout]                         raw: 1,
[INFO] [stdout]                     },
[INFO] [stdout]                 },
[INFO] [stdout]                 align: Align {
[INFO] [stdout]                     pow2: 0,
[INFO] [stdout]                 },
[INFO] [stdout]                 mutability: Not,
[INFO] [stdout]                 extra: (),
[INFO] [stdout]             },
[INFO] [stdout]             start: 0,
[INFO] [stdout]             end: 1,
[INFO] [stdout]         },
[INFO] [stdout]     ),
[INFO] [stdout] }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f137b328f20 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x7f137b328f20 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f137b328f20 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f137b328f20 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7f137b396d0c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]    5:     0x7f137b31a665 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]    6:     0x7f137b32cc3b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f137b32cc3b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f137b32cc3b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7f137b32c711 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7f137bb01061 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::hb401cc3a4395a91f
[INFO] [stderr]   11:     0x7f137b32d469 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:626:17
[INFO] [stderr]   12:     0x7f137cac9f8b - std::panicking::begin_panic::{{closure}}::hac8dad9bdcca0cfd
[INFO] [stderr]   13:     0x7f137cac9f26 - std::sys_common::backtrace::__rust_end_short_backtrace::h99db2744a599084f
[INFO] [stderr]   14:     0x7f137cacb21f - std::panicking::begin_panic::h41e6b8bec3069875
[INFO] [stderr]   15:     0x7f137cae058d - std::panic::panic_any::h0c9457317d749814
[INFO] [stderr]   16:     0x7f137cae33ea - rustc_errors::HandlerInner::bug::h1af6e8cc9c30e551
[INFO] [stderr]   17:     0x7f137cae2ea0 - rustc_errors::Handler::bug::h92bd20b9466c2cbf
[INFO] [stderr]   18:     0x7f137c94872c - rustc_middle::ty::context::tls::with_opt::h1c4490ff766d8628
[INFO] [stderr]   19:     0x7f137c948a80 - rustc_middle::util::bug::opt_span_bug_fmt::ha8d3313fb245704f
[INFO] [stderr]   20:     0x7f137c9489f6 - rustc_middle::util::bug::bug_fmt::h7d94326a7f647af1
[INFO] [stderr]   21:     0x7f137d2117ae - rustc_codegen_ssa::debuginfo::type_names::push_generic_params_internal::h023c4e6ede752e45
[INFO] [stderr]   22:     0x7f137d20ae4e - rustc_codegen_ssa::debuginfo::type_names::compute_debuginfo_type_name::h554f60ebcc2b3436
[INFO] [stderr]   23:     0x7f137cc16980 - rustc_codegen_llvm::debuginfo::metadata::type_metadata::h20e77a5a61e1260c
[INFO] [stderr]   24:     0x7f137d6346b8 - rustc_codegen_llvm::debuginfo::metadata::type_metadata::{{closure}}::hdb38efe708bd1fd2
[INFO] [stderr]   25:     0x7f137cc16d02 - rustc_codegen_llvm::debuginfo::metadata::type_metadata::h20e77a5a61e1260c
[INFO] [stderr]   26:     0x7f137d633cdb - rustc_codegen_llvm::debuginfo::metadata::vec_slice_metadata::h23d0729638f37d67
[INFO] [stderr]   27:     0x7f137d6347f9 - rustc_codegen_llvm::debuginfo::metadata::type_metadata::{{closure}}::hdb38efe708bd1fd2
[INFO] [stderr]   28:     0x7f137cc16d02 - rustc_codegen_llvm::debuginfo::metadata::type_metadata::h20e77a5a61e1260c
[INFO] [stderr]   29:     0x7f137d6767b7 - rustc_codegen_llvm::debuginfo::<impl rustc_codegen_ssa::traits::debuginfo::DebugInfoMethods for rustc_codegen_llvm::context::CodegenCx>::dbg_scope_fn::get_function_signature::h1362fe0696126d4b
[INFO] [stderr]   30:     0x7f137d66f840 - rustc_codegen_llvm::debuginfo::<impl rustc_codegen_ssa::traits::debuginfo::DebugInfoMethods for rustc_codegen_llvm::context::CodegenCx>::dbg_scope_fn::h1564d0fb6dc63f3d
[INFO] [stderr]   31:     0x7f137cc45489 - rustc_codegen_ssa::mir::codegen_mir::hba46b235138f9c53
[INFO] [stderr]   32:     0x7f137cc2e536 - rustc_codegen_ssa::base::codegen_instance::h5ce3a13b251f2241
[INFO] [stderr]   33:     0x7f137cc3452a - rustc_codegen_llvm::base::compile_codegen_unit::module_codegen::h2d90d12cab20a933
[INFO] [stderr]   34:     0x7f137d673a87 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task::hda2622383dbb7690
[INFO] [stderr]   35:     0x7f137d684c57 - rustc_codegen_llvm::base::compile_codegen_unit::h1ce3124a5e9e6cea
[INFO] [stderr]   36:     0x7f137d678266 - <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_ssa::traits::backend::CodegenBackend>::codegen_crate::h64257afe5c81b421
[INFO] [stderr]   37:     0x7f137d5fa6cc - rustc_interface::passes::QueryContext::enter::h285a8b6410891da8
[INFO] [stderr]   38:     0x7f137d5f2616 - rustc_interface::queries::Queries::ongoing_codegen::h14066dfb04bad0e6
[INFO] [stderr]   39:     0x7f137d5d14d5 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::hb44adf2f7e4d9008
[INFO] [stderr]   40:     0x7f137d5c03dc - rustc_span::with_source_map::ha503ff1545426b21
[INFO] [stderr]   41:     0x7f137d5d269a - rustc_interface::interface::create_compiler_and_run::h6e85467d9706bedf
[INFO] [stderr]   42:     0x7f137d5c56e9 - scoped_tls::ScopedKey<T>::set::h0e2c1597a1f6a576
[INFO] [stderr]   43:     0x7f137d5c24ea - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2fa93a4999a1ec
[INFO] [stderr]   44:     0x7f137d5c0d75 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8b6bc5ffa8abb153
[INFO] [stderr]   45:     0x7f137b339a17 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stderr]   46:     0x7f137b339a17 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9
[INFO] [stderr]   47:     0x7f137b339a17 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stderr]                                at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stderr]   48:     0x7f137b255609 - start_thread
[INFO] [stderr]   49:     0x7f137b169293 - clone
[INFO] [stderr]   50:                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 1.55.0-nightly (ecabaf785 2021-07-10) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -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] end of query stack
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nommy`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f71a9ca8d5ef30674620b5071dc9e255cacd5e953b41106f7ac7cc9f606974be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71a9ca8d5ef30674620b5071dc9e255cacd5e953b41106f7ac7cc9f606974be", kill_on_drop: false }`
[INFO] [stdout] f71a9ca8d5ef30674620b5071dc9e255cacd5e953b41106f7ac7cc9f606974be