[INFO] fetching crate safer-ffi 0.0.5...
[INFO] checking safer-ffi-0.0.5 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate safer-ffi 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate safer-ffi 0.0.5 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate safer-ffi 0.0.5
[INFO] finished tweaking crates.io crate safer-ffi 0.0.5
[INFO] tweaked toml for crates.io crate safer-ffi 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 500c6e370a7bdee468009f4bc34c0d4650626d3a92c9b5b90903c7d7a3b5a1ec
[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" "500c6e370a7bdee468009f4bc34c0d4650626d3a92c9b5b90903c7d7a3b5a1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "500c6e370a7bdee468009f4bc34c0d4650626d3a92c9b5b90903c7d7a3b5a1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500c6e370a7bdee468009f4bc34c0d4650626d3a92c9b5b90903c7d7a3b5a1ec", kill_on_drop: false }`
[INFO] [stdout] 500c6e370a7bdee468009f4bc34c0d4650626d3a92c9b5b90903c7d7a3b5a1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46dfd4e45db3193fe6c88d942392d573663f1f3af606fa563d5741a748d4c222
[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" "46dfd4e45db3193fe6c88d942392d573663f1f3af606fa563d5741a748d4c222", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini_paste-proc_macro v0.1.11
[INFO] [stderr]    Compiling safer_ffi-proc_macro v0.0.5
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.0.1
[INFO] [stderr]     Checking macro_rules_attribute v0.0.1
[INFO] [stderr]     Checking mini_paste v0.1.11
[INFO] [stderr]     Checking safer-ffi v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] thread 'rustc' panicked at 'Expected module, found DefId(20:196)', compiler/rustc_metadata/src/rmeta/decoder.rs:1178:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f241ea644b0 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x7f241ea644b0 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f241ea644b0 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x7f241ea644b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x7f241ead2ddc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x7f241ea56887 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/io/mod.rs:1517
[INFO] [stderr]    6:     0x7f241ea69190 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x7f241ea69190 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x7f241ea69190 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x7f241ea68edc - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x7f241f2e5f58 - rustc_driver::report_ice::hd736bea9ad59b02a
[INFO] [stderr]   11:     0x7f241343e456 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h3a3c130939b92215
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/alloc/src/boxed.rs:1056
[INFO] [stderr]   12:     0x7f2413441a95 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::hc80e9485b6d8c08d
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/proc_macro/src/bridge/client.rs:321
[INFO] [stderr]   13:     0x7f241ea69938 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:581
[INFO] [stderr]   14:     0x7f241ea694e9 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:484
[INFO] [stderr]   15:     0x7f241ea6491c - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   16:     0x7f241ea694a9 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:483
[INFO] [stderr]   17:     0x7f241ea6945b - std::panicking::begin_panic_fmt::hebfdcd945bbd27b1
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:437
[INFO] [stderr]   18:     0x7f2421126c5a - rustc_metadata::rmeta::decoder::cstore_impl::<impl rustc_metadata::creader::CStore>::module_expansion_untracked::h0940cc57530a62ac
[INFO] [stderr]   19:     0x7f242020be6d - rustc_resolve::build_reduced_graph::<impl rustc_resolve::Resolver>::get_module::h82e24f98af5c725b
[INFO] [stderr]   20:     0x7f242020be1c - rustc_resolve::build_reduced_graph::<impl rustc_resolve::Resolver>::get_module::h82e24f98af5c725b
[INFO] [stderr]   21:     0x7f242020c286 - rustc_resolve::build_reduced_graph::<impl rustc_resolve::Resolver>::macro_def_scope::hf8d84efeff7f4de7
[INFO] [stderr]   22:     0x7f242021f22a - rustc_resolve::macros::<impl rustc_expand::base::ResolverExpand for rustc_resolve::Resolver>::resolve_macro_invocation::h1831dde8f0c4c58c
[INFO] [stderr]   23:     0x7f2421315df1 - rustc_expand::expand::MacroExpander::fully_expand_fragment::h81035184c6053242
[INFO] [stderr]   24:     0x7f2421315262 - rustc_expand::expand::MacroExpander::expand_crate::h33d26a93e9dceaf3
[INFO] [stderr]   25:     0x7f241f60ca0f - rustc_interface::passes::configure_and_expand_inner::h8b8fa7e5d6911d4b
[INFO] [stderr]   26:     0x7f241f5a1f29 - rustc_interface::passes::configure_and_expand::{{closure}}::h9b9ce2bd4b813b13
[INFO] [stderr]   27:     0x7f241f59288f - rustc_data_structures::box_region::PinnedGenerator<I,A,R>::new::ha3419ac814433fc3
[INFO] [stderr]   28:     0x7f241f60ae1d - rustc_interface::passes::configure_and_expand::h6128e8564039d024
[INFO] [stderr]   29:     0x7f241f65cf58 - rustc_interface::queries::Queries::expansion::h8e4148ab2044cea8
[INFO] [stderr]   30:     0x7f241f308452 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::h90754b37c2a5c90c
[INFO] [stderr]   31:     0x7f241f29b0e7 - rustc_span::with_source_map::he52d2e0c6177f287
[INFO] [stderr]   32:     0x7f241f30a848 - rustc_interface::interface::create_compiler_and_run::h80874578e642ac73
[INFO] [stderr]   33:     0x7f241f2e93ca - scoped_tls::ScopedKey<T>::set::h7e0a01d39c8551cf
[INFO] [stderr]   34:     0x7f241f2f8e97 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd515bf0a4768efd9
[INFO] [stderr]   35:     0x7f241f2851ee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc776a06d7e45ba64
[INFO] [stderr]   36:     0x7f241ea78eda - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h12eb11286d55ef7c
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   37:     0x7f241ea78eda - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h7a8834e2603fbb01
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   38:     0x7f241ea78eda - std::sys::unix::thread::Thread::new::thread_start::h0afd1709a500dd5c
[INFO] [stderr]                                at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   39:     0x7f241e996609 - start_thread
[INFO] [stderr]   40:     0x7f241e8aa103 - clone
[INFO] [stderr]   41:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[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 1.48.0-nightly (af3c6e733 2020-09-03) 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] [stderr] error: could not compile `safer-ffi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "46dfd4e45db3193fe6c88d942392d573663f1f3af606fa563d5741a748d4c222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dfd4e45db3193fe6c88d942392d573663f1f3af606fa563d5741a748d4c222", kill_on_drop: false }`
[INFO] [stdout] 46dfd4e45db3193fe6c88d942392d573663f1f3af606fa563d5741a748d4c222
